20903336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153701}}^1$

素因数の和:153724

約数の個数: 16

約数和(自身を含む): 41499540

約数和(自身を除く): 20596204

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153701, 307402, 614804, 1229608, 2612917, 5225834, 10451668, 20903336]

約数ペア:

[(1, 20903336), (2, 10451668), (4, 5225834), (8, 2612917), (17, 1229608), (34, 614804), (68, 307402), (136, 153701)]