20777643

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 31320432

約数和(自身を除く): 10542789

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 1013, 2279, 3039, 6837, 9117, 20511, 43559, 53689, 130677, 161067, 392031, 483201, 2308627, 6925881, 20777643]

約数ペア:

[(1, 20777643), (3, 6925881), (9, 2308627), (43, 483201), (53, 392031), (129, 161067), (159, 130677), (387, 53689), (477, 43559), (1013, 20511), (2279, 9117), (3039, 6837)]