20629953

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 31566080

約数和(自身を除く): 10936127

約数列:

[1, 3, 9, 19, 57, 171, 223, 541, 669, 1623, 2007, 4237, 4869, 10279, 12711, 30837, 38133, 92511, 120643, 361929, 1085787, 2292217, 6876651, 20629953]

約数ペア:

[(1, 20629953), (3, 6876651), (9, 2292217), (19, 1085787), (57, 361929), (171, 120643), (223, 92511), (541, 38133), (669, 30837), (1623, 12711), (2007, 10279), (4237, 4869)]