20176891204

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{117307507}}^1$

素因数の和:117307554

約数の個数: 12

約数和(自身を含む): 36130712464

約数和(自身を除く): 15953821260

約数列:

[1, 2, 4, 43, 86, 172, 117307507, 234615014, 469230028, 5044222801, 10088445602, 20176891204]

約数ペア:

[(1, 20176891204), (2, 10088445602), (4, 5044222801), (43, 469230028), (86, 234615014), (172, 117307507)]