20735421

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2011}}^1$

素因数の和:2512

約数の個数: 16

約数和(自身を含む): 31676928

約数和(自身を除く): 10941507

約数列:

[1, 3, 7, 21, 491, 1473, 2011, 3437, 6033, 10311, 14077, 42231, 987401, 2962203, 6911807, 20735421]

約数ペア:

[(1, 20735421), (3, 6911807), (7, 2962203), (21, 987401), (491, 42231), (1473, 14077), (2011, 10311), (3437, 6033)]