20386864

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3041}}^1$

素因数の和:3468

約数の個数: 20

約数和(自身を含む): 39606840

約数和(自身を除く): 19219976

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3041, 3352, 6082, 6704, 12164, 24328, 48656, 1274179, 2548358, 5096716, 10193432, 20386864]

約数ペア:

[(1, 20386864), (2, 10193432), (4, 5096716), (8, 2548358), (16, 1274179), (419, 48656), (838, 24328), (1676, 12164), (3041, 6704), (3352, 6082)]