20216948220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 480

約数和(自身を含む): 75893207040

約数和(自身を除く): 55676258820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 49, 54, 60, 62, 63, 70, 84, 90, 93, 98, 105, 108, 124, 126, 135, 140, 147, 155, 180, 186, 189, 196, 210, 217, 245, 252, 270, 279, 294, 310, 315, 343, 372, 378, 420, 434, 441, 465, 490, 503, 540, 558, 588, 620, 630, 651, 686, 735, 756, 837, 868, 882, 930, 945, 980, 1006, 1029, 1085, 1116, 1260, 1302, 1323, 1372, 1395, 1470, 1509, 1519, 1674, 1715, 1764, 1860, 1890, 1953, 2012, 2058, 2170, 2205, 2401, 2515, 2604, 2646, 2790, 2940, 3018, 3038, 3087, 3255, 3348, 3430, 3521, 3780, 3906, 4116, 4185, 4340, 4410, 4527, 4557, 4802, 5030, 5145, 5292, 5580, 5859, 6036, 6076, 6174, 6510, 6615, 6860, 7042, 7203, 7545, 7595, 7812, 8370, 8820, 9054, 9114, 9261, 9604, 9765, 10060, 10290, 10563, 10633, 11718, 12005, 12348, 13020, 13230, 13581, 13671, 14084, 14406, 15090, 15190, 15435, 15593, 16740, 17605, 18108, 18228, 18522, 19530, 20580, 21126, 21266, 21609, 22635, 22785, 23436, 24010, 24647, 26460, 27162, 27342, 28812, 29295, 30180, 30380, 30870, 31186, 31689, 31899, 35210, 36015, 37044, 39060, 41013, 42252, 42532, 43218, 45270, 45570, 46305, 46779, 48020, 49294, 52815, 53165, 54324, 54684, 58590, 61740, 62372, 63378, 63798, 64827, 67905, 68355, 70420, 72030, 73941, 74431, 77965, 82026, 86436, 90540, 91140, 92610, 93558, 95067, 95697, 98588, 105630, 106330, 108045, 109151, 117180, 123235, 126756, 127596, 129654, 135810, 136710, 140337, 144060, 147882, 148862, 155930, 158445, 159495, 164052, 172529, 185220, 187116, 190134, 191394, 205065, 211260, 212660, 216090, 218302, 221823, 223293, 233895, 246470, 259308, 271620, 273420, 280674, 287091, 295764, 297724, 311860, 316890, 318990, 324135, 327453, 345058, 369705, 372155, 380268, 382788, 410130, 421011, 432180, 436604, 443646, 446586, 467790, 475335, 478485, 492940, 517587, 545755, 561348, 574182, 633780, 637980, 648270, 654906, 665469, 669879, 690116, 701685, 739410, 744310, 764057, 820260, 842022, 862645, 887292, 893172, 935580, 950670, 956970, 982359, 1035174, 1091510, 1109115, 1116465, 1148364, 1207703, 1296540, 1309812, 1330938, 1339758, 1403370, 1435455, 1478820, 1488620, 1528114, 1552761, 1637265, 1684044, 1725290, 1901340, 1913940, 1964718, 2009637, 2070348, 2105055, 2183020, 2218230, 2232930, 2292171, 2415406, 2587935, 2661876, 2679516, 2806740, 2870910, 2947077, 3056228, 3105522, 3274530, 3327345, 3349395, 3450580, 3623109, 3820285, 3929436, 4019274, 4210110, 4436460, 4465860, 4584342, 4658283, 4830812, 4911795, 5175870, 5348399, 5741820, 5894154, 6038515, 6211044, 6549060, 6654690, 6698790, 6876513, 7246218, 7640570, 7763805, 8038548, 8420220, 9168684, 9316566, 9823590, 10048185, 10351740, 10696798, 10869327, 11460855, 11788308, 12077030, 13309380, 13397580, 13753026, 14492436, 14735385, 15281140, 15527610, 16045197, 18115545, 18633132, 19647180, 20096370, 20629539, 21393596, 21738654, 22921710, 23291415, 24154060, 26741995, 27506052, 29470770, 31055220, 32090394, 32607981, 34382565, 36231090, 37438793, 40192740, 41259078, 43477308, 45843420, 46582830, 48135591, 53483990, 54346635, 58941540, 64180788, 65215962, 68765130, 72462180, 74877586, 80225985, 82518156, 93165660, 96271182, 103147695, 106967980, 108693270, 112316379, 130431924, 137530260, 144406773, 149755172, 160451970, 163039905, 187193965, 192542364, 206295390, 217386540, 224632758, 240677955, 288813546, 320903940, 326079810, 336949137, 374387930, 412590780, 449265516, 481355910, 561581895, 577627092, 652159620, 673898274, 722033865, 748775860, 962711820, 1010847411, 1123163790, 1347796548, 1444067730, 1684745685, 2021694822, 2246327580, 2888135460, 3369491370, 4043389644, 5054237055, 6738982740, 10108474110, 20216948220]

約数ペア:

[(1, 20216948220), (2, 10108474110), (3, 6738982740), (4, 5054237055), (5, 4043389644), (6, 3369491370), (7, 2888135460), (9, 2246327580), (10, 2021694822), (12, 1684745685), (14, 1444067730), (15, 1347796548), (18, 1123163790), (20, 1010847411), (21, 962711820), (27, 748775860), (28, 722033865), (30, 673898274), (31, 652159620), (35, 577627092), (36, 561581895), (42, 481355910), (45, 449265516), (49, 412590780), (54, 374387930), (60, 336949137), (62, 326079810), (63, 320903940), (70, 288813546), (84, 240677955), (90, 224632758), (93, 217386540), (98, 206295390), (105, 192542364), (108, 187193965), (124, 163039905), (126, 160451970), (135, 149755172), (140, 144406773), (147, 137530260), (155, 130431924), (180, 112316379), (186, 108693270), (189, 106967980), (196, 103147695), (210, 96271182), (217, 93165660), (245, 82518156), (252, 80225985), (270, 74877586), (279, 72462180), (294, 68765130), (310, 65215962), (315, 64180788), (343, 58941540), (372, 54346635), (378, 53483990), (420, 48135591), (434, 46582830), (441, 45843420), (465, 43477308), (490, 41259078), (503, 40192740), (540, 37438793), (558, 36231090), (588, 34382565), (620, 32607981), (630, 32090394), (651, 31055220), (686, 29470770), (735, 27506052), (756, 26741995), (837, 24154060), (868, 23291415), (882, 22921710), (930, 21738654), (945, 21393596), (980, 20629539), (1006, 20096370), (1029, 19647180), (1085, 18633132), (1116, 18115545), (1260, 16045197), (1302, 15527610), (1323, 15281140), (1372, 14735385), (1395, 14492436), (1470, 13753026), (1509, 13397580), (1519, 13309380), (1674, 12077030), (1715, 11788308), (1764, 11460855), (1860, 10869327), (1890, 10696798), (1953, 10351740), (2012, 10048185), (2058, 9823590), (2170, 9316566), (2205, 9168684), (2401, 8420220), (2515, 8038548), (2604, 7763805), (2646, 7640570), (2790, 7246218), (2940, 6876513), (3018, 6698790), (3038, 6654690), (3087, 6549060), (3255, 6211044), (3348, 6038515), (3430, 5894154), (3521, 5741820), (3780, 5348399), (3906, 5175870), (4116, 4911795), (4185, 4830812), (4340, 4658283), (4410, 4584342), (4527, 4465860), (4557, 4436460), (4802, 4210110), (5030, 4019274), (5145, 3929436), (5292, 3820285), (5580, 3623109), (5859, 3450580), (6036, 3349395), (6076, 3327345), (6174, 3274530), (6510, 3105522), (6615, 3056228), (6860, 2947077), (7042, 2870910), (7203, 2806740), (7545, 2679516), (7595, 2661876), (7812, 2587935), (8370, 2415406), (8820, 2292171), (9054, 2232930), (9114, 2218230), (9261, 2183020), (9604, 2105055), (9765, 2070348), (10060, 2009637), (10290, 1964718), (10563, 1913940), (10633, 1901340), (11718, 1725290), (12005, 1684044), (12348, 1637265), (13020, 1552761), (13230, 1528114), (13581, 1488620), (13671, 1478820), (14084, 1435455), (14406, 1403370), (15090, 1339758), (15190, 1330938), (15435, 1309812), (15593, 1296540), (16740, 1207703), (17605, 1148364), (18108, 1116465), (18228, 1109115), (18522, 1091510), (19530, 1035174), (20580, 982359), (21126, 956970), (21266, 950670), (21609, 935580), (22635, 893172), (22785, 887292), (23436, 862645), (24010, 842022), (24647, 820260), (26460, 764057), (27162, 744310), (27342, 739410), (28812, 701685), (29295, 690116), (30180, 669879), (30380, 665469), (30870, 654906), (31186, 648270), (31689, 637980), (31899, 633780), (35210, 574182), (36015, 561348), (37044, 545755), (39060, 517587), (41013, 492940), (42252, 478485), (42532, 475335), (43218, 467790), (45270, 446586), (45570, 443646), (46305, 436604), (46779, 432180), (48020, 421011), (49294, 410130), (52815, 382788), (53165, 380268), (54324, 372155), (54684, 369705), (58590, 345058), (61740, 327453), (62372, 324135), (63378, 318990), (63798, 316890), (64827, 311860), (67905, 297724), (68355, 295764), (70420, 287091), (72030, 280674), (73941, 273420), (74431, 271620), (77965, 259308), (82026, 246470), (86436, 233895), (90540, 223293), (91140, 221823), (92610, 218302), (93558, 216090), (95067, 212660), (95697, 211260), (98588, 205065), (105630, 191394), (106330, 190134), (108045, 187116), (109151, 185220), (117180, 172529), (123235, 164052), (126756, 159495), (127596, 158445), (129654, 155930), (135810, 148862), (136710, 147882), (140337, 144060)]