20498554

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:669

約数の個数: 16

約数和(自身を含む): 31184928

約数和(自身を除く): 10686374

約数列:

[1, 2, 163, 227, 277, 326, 454, 554, 37001, 45151, 62879, 74002, 90302, 125758, 10249277, 20498554]

約数ペア:

[(1, 20498554), (2, 10249277), (163, 125758), (227, 90302), (277, 74002), (326, 62879), (454, 45151), (554, 37001)]