20499782

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1487}}^1$

素因数の和:1663

約数の個数: 16

約数和(自身を含む): 31551552

約数和(自身を除く): 11051770

約数列:

[1, 2, 61, 113, 122, 226, 1487, 2974, 6893, 13786, 90707, 168031, 181414, 336062, 10249891, 20499782]

約数ペア:

[(1, 20499782), (2, 10249891), (61, 336062), (113, 181414), (122, 168031), (226, 90707), (1487, 13786), (2974, 6893)]