20717368321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1\times {\mathrm{6997}}^1$

素因数の和:7972

約数の個数: 16

約数和(自身を含む): 22408547728

約数和(自身を除く): 1691179407

約数列:

[1, 13, 421, 541, 5473, 6997, 7033, 90961, 227761, 2945737, 2960893, 3785377, 38294581, 49209901, 1593643717, 20717368321]

約数ペア:

[(1, 20717368321), (13, 1593643717), (421, 49209901), (541, 38294581), (5473, 3785377), (6997, 2960893), (7033, 2945737), (90961, 227761)]