20562939

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 30393792

約数和(自身を除く): 9830853

約数列:

[1, 3, 9, 107, 131, 163, 321, 393, 489, 963, 1179, 1467, 14017, 17441, 21353, 42051, 52323, 64059, 126153, 156969, 192177, 2284771, 6854313, 20562939]

約数ペア:

[(1, 20562939), (3, 6854313), (9, 2284771), (107, 192177), (131, 156969), (163, 126153), (321, 64059), (393, 52323), (489, 42051), (963, 21353), (1179, 17441), (1467, 14017)]