20199997450

素因数分解:

$2^1\times 5^2\times {\mathrm{403999949}}^1$

素因数の和:403999961

約数の個数: 12

約数和(自身を含む): 37571995350

約数和(自身を除く): 17371997900

約数列:

[1, 2, 5, 10, 25, 50, 403999949, 807999898, 2019999745, 4039999490, 10099998725, 20199997450]

約数ペア:

[(1, 20199997450), (2, 10099998725), (5, 4039999490), (10, 2019999745), (25, 807999898), (50, 403999949)]