20660212610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{477031}}^1$

素因数の和:477170

約数の個数: 32

約数和(自身を含む): 38330475264

約数和(自身を除く): 17670262654

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 4331, 8662, 21655, 43310, 477031, 954062, 2385155, 4770310, 29098891, 33869201, 58197782, 67738402, 145494455, 169346005, 290988910, 338692010, 2066021261, 4132042522, 10330106305, 20660212610]

約数ペア:

[(1, 20660212610), (2, 10330106305), (5, 4132042522), (10, 2066021261), (61, 338692010), (71, 290988910), (122, 169346005), (142, 145494455), (305, 67738402), (355, 58197782), (610, 33869201), (710, 29098891), (4331, 4770310), (8662, 2385155), (21655, 954062), (43310, 477031)]