20682279

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 31865600

約数和(自身を除く): 11183321

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 1531, 4503, 4593, 13509, 13779, 29089, 87267, 120949, 261801, 362847, 1088541, 2298031, 6894093, 20682279]

約数ペア:

[(1, 20682279), (3, 6894093), (9, 2298031), (19, 1088541), (57, 362847), (79, 261801), (171, 120949), (237, 87267), (711, 29089), (1501, 13779), (1531, 13509), (4503, 4593)]