20199805072

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1915763}}^1$

素因数の和:1916430

約数の個数: 20

約数和(自身を含む): 39196531440

約数和(自身を除く): 18996726368

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 1915763, 3831526, 7663052, 15326104, 30652208, 1262487817, 2524975634, 5049951268, 10099902536, 20199805072]

約数ペア:

[(1, 20199805072), (2, 10099902536), (4, 5049951268), (8, 2524975634), (16, 1262487817), (659, 30652208), (1318, 15326104), (2636, 7663052), (5272, 3831526), (10544, 1915763)]