20219812417

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{17941271}}^1$

素因数の和:17941308

約数の個数: 12

約数和(自身を含む): 24543660096

約数和(自身を除く): 4323847679

約数列:

[1, 7, 23, 49, 161, 1127, 17941271, 125588897, 412649233, 879122279, 2888544631, 20219812417]

約数ペア:

[(1, 20219812417), (7, 2888544631), (23, 879122279), (49, 412649233), (161, 125588897), (1127, 17941271)]