20185207390

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9566449}}^1$

素因数の和:9566667

約数の個数: 16

約数和(自身を含む): 36505573200

約数和(自身を除く): 16320365810

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9566449, 19132898, 47832245, 95664490, 2018520739, 4037041478, 10092603695, 20185207390]

約数ペア:

[(1, 20185207390), (2, 10092603695), (5, 4037041478), (10, 2018520739), (211, 95664490), (422, 47832245), (1055, 19132898), (2110, 9566449)]