20187010

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6491}}^1$

素因数の和:6809

約数の個数: 16

約数和(自身を含む): 36459072

約数和(自身を除く): 16272062

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 6491, 12982, 32455, 64910, 2018701, 4037402, 10093505, 20187010]

約数ペア:

[(1, 20187010), (2, 10093505), (5, 4037402), (10, 2018701), (311, 64910), (622, 32455), (1555, 12982), (3110, 6491)]