20003151

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9431}}^1$

素因数の和:9542

約数の個数: 16

約数和(自身を含む): 30786048

約数和(自身を除く): 10782897

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9431, 28293, 66017, 198051, 952531, 2857593, 6667717, 20003151]

約数ペア:

[(1, 20003151), (3, 6667717), (7, 2857593), (21, 952531), (101, 198051), (303, 66017), (707, 28293), (2121, 9431)]