9939820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45181}}^1$

素因数の和:45201

約数の個数: 24

約数和(自身を含む): 22771728

約数和(自身を除く): 12831908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 45181, 90362, 180724, 225905, 451810, 496991, 903620, 993982, 1987964, 2484955, 4969910, 9939820]

約数ペア:

[(1, 9939820), (2, 4969910), (4, 2484955), (5, 1987964), (10, 993982), (11, 903620), (20, 496991), (22, 451810), (44, 225905), (55, 180724), (110, 90362), (220, 45181)]