20121277066716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1087}}^1\times {\mathrm{31481011}}^1$

素因数の和:31482119

約数の個数: 72

約数和(自身を含む): 54665140325376

約数和(自身を除く): 34543863258660

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1087, 2174, 3261, 4348, 6522, 7609, 13044, 15218, 22827, 30436, 45654, 53263, 91308, 106526, 159789, 213052, 319578, 639156, 31481011, 62962022, 94443033, 125924044, 188886066, 220367077, 377772132, 440734154, 661101231, 881468308, 1322202462, 1542569539, 2644404924, 3085139078, 4627708617, 6170278156, 9255417234, 18510834468, 34219858957, 68439717914, 102659576871, 136879435828, 205319153742, 239539012699, 410638307484, 479078025398, 718617038097, 958156050796, 1437234076194, 1676773088893, 2874468152388, 3353546177786, 5030319266679, 6707092355572, 10060638533358, 20121277066716]

約数ペア:

[(1, 20121277066716), (2, 10060638533358), (3, 6707092355572), (4, 5030319266679), (6, 3353546177786), (7, 2874468152388), (12, 1676773088893), (14, 1437234076194), (21, 958156050796), (28, 718617038097), (42, 479078025398), (49, 410638307484), (84, 239539012699), (98, 205319153742), (147, 136879435828), (196, 102659576871), (294, 68439717914), (588, 34219858957), (1087, 18510834468), (2174, 9255417234), (3261, 6170278156), (4348, 4627708617), (6522, 3085139078), (7609, 2644404924), (13044, 1542569539), (15218, 1322202462), (22827, 881468308), (30436, 661101231), (45654, 440734154), (53263, 377772132), (91308, 220367077), (106526, 188886066), (159789, 125924044), (213052, 94443033), (319578, 62962022), (639156, 31481011)]