20055128

素因数分解:

$2^3\times {\mathrm{109}}^2\times {\mathrm{211}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 38131380

約数和(自身を除く): 18076252

約数列:

[1, 2, 4, 8, 109, 211, 218, 422, 436, 844, 872, 1688, 11881, 22999, 23762, 45998, 47524, 91996, 95048, 183992, 2506891, 5013782, 10027564, 20055128]

約数ペア:

[(1, 20055128), (2, 10027564), (4, 5013782), (8, 2506891), (109, 183992), (211, 95048), (218, 91996), (422, 47524), (436, 45998), (844, 23762), (872, 22999), (1688, 11881)]