20178453970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1\times {\mathrm{81671}}^1$

素因数の和:82506

約数の個数: 32

約数和(自身を含む): 37540371456

約数和(自身を除く): 17361917486

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 797, 1594, 3985, 7970, 24707, 49414, 81671, 123535, 163342, 247070, 408355, 816710, 2531801, 5063602, 12659005, 25318010, 65091787, 130183574, 325458935, 650917870, 2017845397, 4035690794, 10089226985, 20178453970]

約数ペア:

[(1, 20178453970), (2, 10089226985), (5, 4035690794), (10, 2017845397), (31, 650917870), (62, 325458935), (155, 130183574), (310, 65091787), (797, 25318010), (1594, 12659005), (3985, 5063602), (7970, 2531801), (24707, 816710), (49414, 408355), (81671, 247070), (123535, 163342)]