20311364920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 384

約数和(自身を含む): 60232273920

約数和(自身を除く): 39920909000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 83, 88, 110, 121, 124, 140, 154, 155, 166, 217, 220, 233, 242, 248, 280, 308, 310, 332, 341, 385, 415, 434, 440, 466, 484, 581, 605, 616, 620, 664, 682, 770, 830, 847, 868, 913, 932, 968, 1085, 1162, 1165, 1210, 1240, 1364, 1540, 1631, 1660, 1694, 1705, 1736, 1826, 1864, 2170, 2324, 2330, 2387, 2420, 2563, 2573, 2728, 2905, 3080, 3262, 3320, 3388, 3410, 3652, 3751, 4235, 4340, 4565, 4648, 4660, 4774, 4840, 5126, 5146, 5810, 6391, 6524, 6776, 6820, 7223, 7304, 7502, 8155, 8470, 8680, 9130, 9320, 9548, 10043, 10252, 10292, 11620, 11935, 12782, 12815, 12865, 13048, 13640, 14446, 15004, 16310, 16940, 17941, 18011, 18260, 18755, 19096, 19339, 20086, 20504, 20584, 23240, 23870, 25564, 25630, 25730, 26257, 28193, 28303, 28892, 30008, 31955, 32620, 33880, 35882, 36022, 36115, 36520, 37510, 38678, 40172, 47740, 50215, 50561, 51128, 51260, 51460, 52514, 56386, 56606, 57784, 63910, 65240, 70301, 71764, 72044, 72230, 75020, 77356, 79453, 80344, 89705, 90055, 95480, 96695, 100430, 101122, 102520, 102920, 105028, 112772, 113212, 127820, 131285, 135373, 140602, 140965, 141515, 143528, 144088, 144460, 150040, 154712, 158906, 179410, 180110, 193390, 197351, 198121, 200860, 202244, 210056, 212729, 225544, 226424, 252805, 255640, 262570, 270746, 281204, 281930, 283030, 288920, 311333, 317812, 351505, 358820, 360220, 386780, 394702, 396242, 397265, 401720, 404488, 425458, 505610, 525140, 541492, 556171, 562408, 563860, 566060, 599509, 622666, 635624, 676865, 703010, 717640, 720440, 773560, 789404, 792484, 794530, 850916, 873983, 986755, 990605, 1011220, 1050280, 1063645, 1082984, 1112342, 1127720, 1132120, 1199018, 1245332, 1353730, 1406020, 1489103, 1556665, 1578808, 1584968, 1589060, 1701832, 1747966, 1973510, 1981210, 2022440, 2127290, 2179331, 2224684, 2340019, 2398036, 2490664, 2707460, 2780855, 2812040, 2978206, 2997545, 3113330, 3178120, 3495932, 3947020, 3962420, 4196563, 4254580, 4358662, 4369915, 4449368, 4680038, 4796072, 5414920, 5561710, 5956412, 5995090, 6117881, 6226660, 6594599, 6991864, 7445515, 7894040, 7924840, 8393126, 8509160, 8717324, 8739830, 9360076, 10896655, 11123420, 11700095, 11912824, 11990180, 12235762, 12453320, 13189198, 14891030, 16380133, 16786252, 17434648, 17479660, 18720152, 20982815, 21793310, 22246840, 23400190, 23980360, 24471524, 26378396, 29782060, 30589405, 32760266, 32972995, 33572504, 34959320, 41965630, 43586620, 46162193, 46800380, 48943048, 52756792, 59564120, 61178810, 65520532, 65945990, 72540589, 81900665, 83931260, 87173240, 92324386, 93600760, 122357620, 131041064, 131891980, 145081178, 163801330, 167862520, 184648772, 230810965, 244715240, 263783960, 290162356, 327602660, 362702945, 369297544, 461621930, 507784123, 580324712, 655205320, 725405890, 923243860, 1015568246, 1450811780, 1846487720, 2031136492, 2538920615, 2901623560, 4062272984, 5077841230, 10155682460, 20311364920]

約数ペア:

[(1, 20311364920), (2, 10155682460), (4, 5077841230), (5, 4062272984), (7, 2901623560), (8, 2538920615), (10, 2031136492), (11, 1846487720), (14, 1450811780), (20, 1015568246), (22, 923243860), (28, 725405890), (31, 655205320), (35, 580324712), (40, 507784123), (44, 461621930), (55, 369297544), (56, 362702945), (62, 327602660), (70, 290162356), (77, 263783960), (83, 244715240), (88, 230810965), (110, 184648772), (121, 167862520), (124, 163801330), (140, 145081178), (154, 131891980), (155, 131041064), (166, 122357620), (217, 93600760), (220, 92324386), (233, 87173240), (242, 83931260), (248, 81900665), (280, 72540589), (308, 65945990), (310, 65520532), (332, 61178810), (341, 59564120), (385, 52756792), (415, 48943048), (434, 46800380), (440, 46162193), (466, 43586620), (484, 41965630), (581, 34959320), (605, 33572504), (616, 32972995), (620, 32760266), (664, 30589405), (682, 29782060), (770, 26378396), (830, 24471524), (847, 23980360), (868, 23400190), (913, 22246840), (932, 21793310), (968, 20982815), (1085, 18720152), (1162, 17479660), (1165, 17434648), (1210, 16786252), (1240, 16380133), (1364, 14891030), (1540, 13189198), (1631, 12453320), (1660, 12235762), (1694, 11990180), (1705, 11912824), (1736, 11700095), (1826, 11123420), (1864, 10896655), (2170, 9360076), (2324, 8739830), (2330, 8717324), (2387, 8509160), (2420, 8393126), (2563, 7924840), (2573, 7894040), (2728, 7445515), (2905, 6991864), (3080, 6594599), (3262, 6226660), (3320, 6117881), (3388, 5995090), (3410, 5956412), (3652, 5561710), (3751, 5414920), (4235, 4796072), (4340, 4680038), (4565, 4449368), (4648, 4369915), (4660, 4358662), (4774, 4254580), (4840, 4196563), (5126, 3962420), (5146, 3947020), (5810, 3495932), (6391, 3178120), (6524, 3113330), (6776, 2997545), (6820, 2978206), (7223, 2812040), (7304, 2780855), (7502, 2707460), (8155, 2490664), (8470, 2398036), (8680, 2340019), (9130, 2224684), (9320, 2179331), (9548, 2127290), (10043, 2022440), (10252, 1981210), (10292, 1973510), (11620, 1747966), (11935, 1701832), (12782, 1589060), (12815, 1584968), (12865, 1578808), (13048, 1556665), (13640, 1489103), (14446, 1406020), (15004, 1353730), (16310, 1245332), (16940, 1199018), (17941, 1132120), (18011, 1127720), (18260, 1112342), (18755, 1082984), (19096, 1063645), (19339, 1050280), (20086, 1011220), (20504, 990605), (20584, 986755), (23240, 873983), (23870, 850916), (25564, 794530), (25630, 792484), (25730, 789404), (26257, 773560), (28193, 720440), (28303, 717640), (28892, 703010), (30008, 676865), (31955, 635624), (32620, 622666), (33880, 599509), (35882, 566060), (36022, 563860), (36115, 562408), (36520, 556171), (37510, 541492), (38678, 525140), (40172, 505610), (47740, 425458), (50215, 404488), (50561, 401720), (51128, 397265), (51260, 396242), (51460, 394702), (52514, 386780), (56386, 360220), (56606, 358820), (57784, 351505), (63910, 317812), (65240, 311333), (70301, 288920), (71764, 283030), (72044, 281930), (72230, 281204), (75020, 270746), (77356, 262570), (79453, 255640), (80344, 252805), (89705, 226424), (90055, 225544), (95480, 212729), (96695, 210056), (100430, 202244), (101122, 200860), (102520, 198121), (102920, 197351), (105028, 193390), (112772, 180110), (113212, 179410), (127820, 158906), (131285, 154712), (135373, 150040), (140602, 144460), (140965, 144088), (141515, 143528)]