20691896

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6173}}^1$

素因数の和:6598

約数の個数: 16

約数和(自身を含む): 38896200

約数和(自身を除く): 18204304

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6173, 12346, 24692, 49384, 2586487, 5172974, 10345948, 20691896]

約数ペア:

[(1, 20691896), (2, 10345948), (4, 5172974), (8, 2586487), (419, 49384), (838, 24692), (1676, 12346), (3352, 6173)]