20873392

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2657}}^1$

素因数の和:3156

約数の個数: 20

約数和(自身を含む): 40539816

約数和(自身を除く): 19666424

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2657, 3928, 5314, 7856, 10628, 21256, 42512, 1304587, 2609174, 5218348, 10436696, 20873392]

約数ペア:

[(1, 20873392), (2, 10436696), (4, 5218348), (8, 2609174), (16, 1304587), (491, 42512), (982, 21256), (1964, 10628), (2657, 7856), (3928, 5314)]