20725505

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 25382784

約数和(自身を除く): 4657279

約数列:

[1, 5, 97, 151, 283, 485, 755, 1415, 14647, 27451, 42733, 73235, 137255, 213665, 4145101, 20725505]

約数ペア:

[(1, 20725505), (5, 4145101), (97, 213665), (151, 137255), (283, 73235), (485, 42733), (755, 27451), (1415, 14647)]