20958866

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 10922734

約数列:

[1, 2, 163, 239, 269, 326, 478, 538, 38957, 43847, 64291, 77914, 87694, 128582, 10479433, 20958866]

約数ペア:

[(1, 20958866), (2, 10479433), (163, 128582), (239, 87694), (269, 77914), (326, 64291), (478, 43847), (538, 38957)]