15920255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{463}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 21553728

約数和(自身を除く): 5633473

約数列:

[1, 5, 13, 23, 65, 115, 299, 463, 529, 1495, 2315, 2645, 6019, 6877, 10649, 30095, 34385, 53245, 138437, 244927, 692185, 1224635, 3184051, 15920255]

約数ペア:

[(1, 15920255), (5, 3184051), (13, 1224635), (23, 692185), (65, 244927), (115, 138437), (299, 53245), (463, 34385), (529, 30095), (1495, 10649), (2315, 6877), (2645, 6019)]