8920220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3947}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 18903024

約数和(自身を除く): 9982804

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 3947, 7894, 15788, 19735, 39470, 78940, 446011, 892022, 1784044, 2230055, 4460110, 8920220]

約数ペア:

[(1, 8920220), (2, 4460110), (4, 2230055), (5, 1784044), (10, 892022), (20, 446011), (113, 78940), (226, 39470), (452, 19735), (565, 15788), (1130, 7894), (2260, 3947)]