20008888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80681}}^1$

素因数の和:80718

約数の個数: 16

約数和(自身を含む): 38727360

約数和(自身を除く): 18718472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80681, 161362, 322724, 645448, 2501111, 5002222, 10004444, 20008888]

約数ペア:

[(1, 20008888), (2, 10004444), (4, 5002222), (8, 2501111), (31, 645448), (62, 322724), (124, 161362), (248, 80681)]