20745055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 26409600

約数和(自身を除く): 5664545

約数列:

[1, 5, 19, 95, 139, 695, 1571, 2641, 7855, 13205, 29849, 149245, 218369, 1091845, 4149011, 20745055]

約数ペア:

[(1, 20745055), (5, 4149011), (19, 1091845), (95, 218369), (139, 149245), (695, 29849), (1571, 13205), (2641, 7855)]