20163405980

素因数分解:

$2^2\times 5^1\times {\mathrm{14929}}^1\times {\mathrm{67531}}^1$

素因数の和:82469

約数の個数: 24

約数和(自身を含む): 42346615920

約数和(自身を除く): 22183209940

約数列:

[1, 2, 4, 5, 10, 20, 14929, 29858, 59716, 67531, 74645, 135062, 149290, 270124, 298580, 337655, 675310, 1350620, 1008170299, 2016340598, 4032681196, 5040851495, 10081702990, 20163405980]

約数ペア:

[(1, 20163405980), (2, 10081702990), (4, 5040851495), (5, 4032681196), (10, 2016340598), (20, 1008170299), (14929, 1350620), (29858, 675310), (59716, 337655), (67531, 298580), (74645, 270124), (135062, 149290)]