20242881

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 30101760

約数和(自身を除く): 9858879

約数列:

[1, 3, 9, 71, 79, 213, 237, 401, 639, 711, 1203, 3609, 5609, 16827, 28471, 31679, 50481, 85413, 95037, 256239, 285111, 2249209, 6747627, 20242881]

約数ペア:

[(1, 20242881), (3, 6747627), (9, 2249209), (71, 285111), (79, 256239), (213, 95037), (237, 85413), (401, 50481), (639, 31679), (711, 28471), (1203, 16827), (3609, 5609)]