20621844180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:860

約数の個数: 576

約数和(自身を含む): 79884779520

約数和(自身を除く): 59262935340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 31, 35, 36, 37, 38, 42, 45, 57, 60, 62, 63, 70, 74, 76, 84, 90, 93, 95, 105, 111, 114, 124, 126, 133, 140, 148, 155, 171, 180, 185, 186, 190, 210, 217, 222, 228, 252, 259, 266, 279, 285, 310, 315, 333, 342, 370, 372, 380, 399, 420, 434, 444, 465, 518, 532, 555, 558, 570, 589, 620, 630, 651, 665, 666, 684, 703, 740, 751, 777, 798, 855, 868, 930, 1036, 1085, 1110, 1116, 1140, 1147, 1178, 1197, 1260, 1295, 1302, 1330, 1332, 1395, 1406, 1502, 1554, 1596, 1665, 1710, 1767, 1860, 1953, 1995, 2109, 2170, 2220, 2253, 2294, 2331, 2356, 2394, 2590, 2604, 2660, 2790, 2812, 2945, 3004, 3108, 3255, 3330, 3420, 3441, 3515, 3534, 3755, 3885, 3906, 3990, 4123, 4218, 4340, 4506, 4588, 4662, 4788, 4921, 5180, 5257, 5301, 5580, 5735, 5890, 5985, 6327, 6510, 6660, 6759, 6882, 7030, 7068, 7510, 7770, 7812, 7980, 8029, 8246, 8436, 8835, 9012, 9324, 9765, 9842, 10323, 10514, 10545, 10602, 11265, 11470, 11655, 11780, 11970, 12369, 12654, 13020, 13518, 13764, 14060, 14269, 14763, 15020, 15540, 15771, 16058, 16492, 17205, 17670, 19530, 19684, 20615, 20646, 21028, 21090, 21204, 21793, 22530, 22940, 23281, 23310, 23940, 24087, 24605, 24738, 25308, 26285, 26505, 27036, 27787, 28538, 29526, 31542, 31635, 32116, 33795, 34410, 35340, 37107, 39060, 40145, 41230, 41292, 42180, 42807, 43586, 44289, 45060, 46562, 46620, 47313, 48174, 49210, 49476, 51615, 52570, 53010, 55574, 57076, 59052, 61845, 63084, 63270, 65379, 67590, 68820, 69843, 71345, 72261, 73815, 74214, 78855, 80290, 82460, 83361, 85614, 87172, 88578, 93124, 94626, 96348, 98420, 99883, 103230, 105140, 106020, 108965, 111148, 116405, 120435, 123690, 126540, 128421, 130758, 135180, 138935, 139686, 142690, 144522, 147630, 148428, 152551, 157710, 160580, 162967, 166722, 171228, 177156, 185535, 189252, 194509, 196137, 199766, 206460, 209529, 214035, 217930, 221445, 232810, 236565, 240870, 247380, 250083, 256842, 261516, 277870, 279372, 285380, 289044, 295260, 299649, 305102, 315420, 325934, 326895, 333444, 349215, 361305, 371070, 389018, 392274, 399532, 416805, 419058, 428070, 435860, 442339, 442890, 457653, 465620, 473130, 481740, 488901, 499415, 500166, 513684, 527953, 555740, 583527, 599298, 610204, 642105, 651868, 653790, 698430, 722610, 742140, 762755, 778036, 784548, 814835, 833610, 838116, 856140, 861397, 884678, 885780, 898947, 915306, 946260, 972545, 977802, 980685, 998830, 1000332, 1047645, 1055906, 1167054, 1198596, 1250415, 1284210, 1307580, 1327017, 1372959, 1396860, 1445220, 1466703, 1498245, 1525510, 1583859, 1629670, 1667220, 1722794, 1750581, 1769356, 1797894, 1830612, 1945090, 1955604, 1961370, 1997660, 2095290, 2111812, 2211695, 2288265, 2334108, 2444505, 2500830, 2568420, 2584191, 2639765, 2654034, 2745918, 2917635, 2933406, 2996490, 3051020, 3096373, 3167718, 3259340, 3445588, 3501162, 3595788, 3695671, 3890180, 3922740, 3981051, 4190580, 4306985, 4423390, 4494735, 4576530, 4751577, 4889010, 5001660, 5168382, 5279530, 5308068, 5491836, 5835270, 5866812, 5992980, 6029779, 6192746, 6335436, 6635085, 6864795, 7002324, 7333515, 7391342, 7752573, 7919295, 7962102, 8613970, 8752905, 8846780, 8989470, 9153060, 9289119, 9503154, 9778020, 10336764, 10559060, 11087013, 11670540, 12059558, 12385492, 12920955, 13270170, 13729590, 14667030, 14782684, 15481865, 15505146, 15838590, 15924204, 16366543, 17227940, 17505810, 17978940, 18089337, 18478355, 18578238, 19006308, 19905255, 22174026, 23757885, 24119116, 25841910, 26540340, 27459180, 27867357, 29334060, 30148895, 30963730, 31010292, 31677180, 32733086, 33261039, 35011620, 36178674, 36956710, 37156476, 38762865, 39810510, 44348052, 46445595, 47515770, 49099629, 51683820, 54268011, 55435065, 55734714, 60297790, 61927460, 65466172, 66522078, 72357348, 73913420, 77525730, 79621020, 81832715, 90446685, 92891190, 95031540, 98199258, 108536022, 110870130, 111469428, 114565801, 120595580, 133044156, 139336785, 147298887, 155051460, 163665430, 166305195, 180893370, 185782380, 196398516, 217072044, 221740260, 229131602, 245498145, 271340055, 278673570, 294597774, 327330860, 332610390, 343697403, 361786740, 458263204, 490996290, 542680110, 557347140, 572829005, 589195548, 665220780, 687394806, 736494435, 981992580, 1031092209, 1085360220, 1145658010, 1374789612, 1472988870, 1718487015, 2062184418, 2291316020, 2945977740, 3436974030, 4124368836, 5155461045, 6873948060, 10310922090, 20621844180]

約数ペア:

[(1, 20621844180), (2, 10310922090), (3, 6873948060), (4, 5155461045), (5, 4124368836), (6, 3436974030), (7, 2945977740), (9, 2291316020), (10, 2062184418), (12, 1718487015), (14, 1472988870), (15, 1374789612), (18, 1145658010), (19, 1085360220), (20, 1031092209), (21, 981992580), (28, 736494435), (30, 687394806), (31, 665220780), (35, 589195548), (36, 572829005), (37, 557347140), (38, 542680110), (42, 490996290), (45, 458263204), (57, 361786740), (60, 343697403), (62, 332610390), (63, 327330860), (70, 294597774), (74, 278673570), (76, 271340055), (84, 245498145), (90, 229131602), (93, 221740260), (95, 217072044), (105, 196398516), (111, 185782380), (114, 180893370), (124, 166305195), (126, 163665430), (133, 155051460), (140, 147298887), (148, 139336785), (155, 133044156), (171, 120595580), (180, 114565801), (185, 111469428), (186, 110870130), (190, 108536022), (210, 98199258), (217, 95031540), (222, 92891190), (228, 90446685), (252, 81832715), (259, 79621020), (266, 77525730), (279, 73913420), (285, 72357348), (310, 66522078), (315, 65466172), (333, 61927460), (342, 60297790), (370, 55734714), (372, 55435065), (380, 54268011), (399, 51683820), (420, 49099629), (434, 47515770), (444, 46445595), (465, 44348052), (518, 39810510), (532, 38762865), (555, 37156476), (558, 36956710), (570, 36178674), (589, 35011620), (620, 33261039), (630, 32733086), (651, 31677180), (665, 31010292), (666, 30963730), (684, 30148895), (703, 29334060), (740, 27867357), (751, 27459180), (777, 26540340), (798, 25841910), (855, 24119116), (868, 23757885), (930, 22174026), (1036, 19905255), (1085, 19006308), (1110, 18578238), (1116, 18478355), (1140, 18089337), (1147, 17978940), (1178, 17505810), (1197, 17227940), (1260, 16366543), (1295, 15924204), (1302, 15838590), (1330, 15505146), (1332, 15481865), (1395, 14782684), (1406, 14667030), (1502, 13729590), (1554, 13270170), (1596, 12920955), (1665, 12385492), (1710, 12059558), (1767, 11670540), (1860, 11087013), (1953, 10559060), (1995, 10336764), (2109, 9778020), (2170, 9503154), (2220, 9289119), (2253, 9153060), (2294, 8989470), (2331, 8846780), (2356, 8752905), (2394, 8613970), (2590, 7962102), (2604, 7919295), (2660, 7752573), (2790, 7391342), (2812, 7333515), (2945, 7002324), (3004, 6864795), (3108, 6635085), (3255, 6335436), (3330, 6192746), (3420, 6029779), (3441, 5992980), (3515, 5866812), (3534, 5835270), (3755, 5491836), (3885, 5308068), (3906, 5279530), (3990, 5168382), (4123, 5001660), (4218, 4889010), (4340, 4751577), (4506, 4576530), (4588, 4494735), (4662, 4423390), (4788, 4306985), (4921, 4190580), (5180, 3981051), (5257, 3922740), (5301, 3890180), (5580, 3695671), (5735, 3595788), (5890, 3501162), (5985, 3445588), (6327, 3259340), (6510, 3167718), (6660, 3096373), (6759, 3051020), (6882, 2996490), (7030, 2933406), (7068, 2917635), (7510, 2745918), (7770, 2654034), (7812, 2639765), (7980, 2584191), (8029, 2568420), (8246, 2500830), (8436, 2444505), (8835, 2334108), (9012, 2288265), (9324, 2211695), (9765, 2111812), (9842, 2095290), (10323, 1997660), (10514, 1961370), (10545, 1955604), (10602, 1945090), (11265, 1830612), (11470, 1797894), (11655, 1769356), (11780, 1750581), (11970, 1722794), (12369, 1667220), (12654, 1629670), (13020, 1583859), (13518, 1525510), (13764, 1498245), (14060, 1466703), (14269, 1445220), (14763, 1396860), (15020, 1372959), (15540, 1327017), (15771, 1307580), (16058, 1284210), (16492, 1250415), (17205, 1198596), (17670, 1167054), (19530, 1055906), (19684, 1047645), (20615, 1000332), (20646, 998830), (21028, 980685), (21090, 977802), (21204, 972545), (21793, 946260), (22530, 915306), (22940, 898947), (23281, 885780), (23310, 884678), (23940, 861397), (24087, 856140), (24605, 838116), (24738, 833610), (25308, 814835), (26285, 784548), (26505, 778036), (27036, 762755), (27787, 742140), (28538, 722610), (29526, 698430), (31542, 653790), (31635, 651868), (32116, 642105), (33795, 610204), (34410, 599298), (35340, 583527), (37107, 555740), (39060, 527953), (40145, 513684), (41230, 500166), (41292, 499415), (42180, 488901), (42807, 481740), (43586, 473130), (44289, 465620), (45060, 457653), (46562, 442890), (46620, 442339), (47313, 435860), (48174, 428070), (49210, 419058), (49476, 416805), (51615, 399532), (52570, 392274), (53010, 389018), (55574, 371070), (57076, 361305), (59052, 349215), (61845, 333444), (63084, 326895), (63270, 325934), (65379, 315420), (67590, 305102), (68820, 299649), (69843, 295260), (71345, 289044), (72261, 285380), (73815, 279372), (74214, 277870), (78855, 261516), (80290, 256842), (82460, 250083), (83361, 247380), (85614, 240870), (87172, 236565), (88578, 232810), (93124, 221445), (94626, 217930), (96348, 214035), (98420, 209529), (99883, 206460), (103230, 199766), (105140, 196137), (106020, 194509), (108965, 189252), (111148, 185535), (116405, 177156), (120435, 171228), (123690, 166722), (126540, 162967), (128421, 160580), (130758, 157710), (135180, 152551), (138935, 148428), (139686, 147630), (142690, 144522)]