20121557765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1\times {\mathrm{162251}}^1$

素因数の和:163732

約数の個数: 16

約数和(自身を含む): 25583895360

約数和(自身を除く): 5462337595

約数列:

[1, 5, 17, 85, 1459, 7295, 24803, 124015, 162251, 811255, 2758267, 13791335, 236724209, 1183621045, 4024311553, 20121557765]

約数ペア:

[(1, 20121557765), (5, 4024311553), (17, 1183621045), (85, 236724209), (1459, 13791335), (7295, 2758267), (24803, 811255), (124015, 162251)]