20243455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 25682400

約数和(自身を除く): 5438945

約数列:

[1, 5, 19, 95, 409, 521, 2045, 2605, 7771, 9899, 38855, 49495, 213089, 1065445, 4048691, 20243455]

約数ペア:

[(1, 20243455), (5, 4048691), (19, 1065445), (95, 213089), (409, 49495), (521, 38855), (2045, 9899), (2605, 7771)]