20404136

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5581}}^1$

素因数の和:6044

約数の個数: 16

約数和(自身を含む): 38348340

約数和(自身を除く): 17944204

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5581, 11162, 22324, 44648, 2550517, 5101034, 10202068, 20404136]

約数ペア:

[(1, 20404136), (2, 10202068), (4, 5101034), (8, 2550517), (457, 44648), (914, 22324), (1828, 11162), (3656, 5581)]