20120764688

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{81973}}^1$

素因数の和:82056

約数の個数: 60

約数和(自身を含む): 42158408460

約数和(自身を除く): 22037643772

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 529, 667, 1058, 1334, 2116, 2668, 4232, 5336, 8464, 10672, 15341, 30682, 61364, 81973, 122728, 163946, 245456, 327892, 655784, 1311568, 1885379, 2377217, 3770758, 4754434, 7541516, 9508868, 15083032, 19017736, 30166064, 38035472, 43363717, 54675991, 86727434, 109351982, 173454868, 218703964, 346909736, 437407928, 693819472, 874815856, 1257547793, 2515095586, 5030191172, 10060382344, 20120764688]

約数ペア:

[(1, 20120764688), (2, 10060382344), (4, 5030191172), (8, 2515095586), (16, 1257547793), (23, 874815856), (29, 693819472), (46, 437407928), (58, 346909736), (92, 218703964), (116, 173454868), (184, 109351982), (232, 86727434), (368, 54675991), (464, 43363717), (529, 38035472), (667, 30166064), (1058, 19017736), (1334, 15083032), (2116, 9508868), (2668, 7541516), (4232, 4754434), (5336, 3770758), (8464, 2377217), (10672, 1885379), (15341, 1311568), (30682, 655784), (61364, 327892), (81973, 245456), (122728, 163946)]