42820220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18947}}^1$

素因数の和:19069

約数の個数: 24

約数和(自身を含む): 90723024

約数和(自身を除く): 47902804

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 18947, 37894, 75788, 94735, 189470, 378940, 2141011, 4282022, 8564044, 10705055, 21410110, 42820220]

約数ペア:

[(1, 42820220), (2, 21410110), (4, 10705055), (5, 8564044), (10, 4282022), (20, 2141011), (113, 378940), (226, 189470), (452, 94735), (565, 75788), (1130, 37894), (2260, 18947)]