20023445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2879}}^1$

素因数の和:3004

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 6103915

約数列:

[1, 5, 13, 65, 107, 535, 1391, 2879, 6955, 14395, 37427, 187135, 308053, 1540265, 4004689, 20023445]

約数ペア:

[(1, 20023445), (5, 4004689), (13, 1540265), (65, 308053), (107, 187135), (535, 37427), (1391, 14395), (2879, 6955)]