20015877

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9437}}^1$

素因数の和:9548

約数の個数: 16

約数和(自身を含む): 30805632

約数和(自身を除く): 10789755

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9437, 28311, 66059, 198177, 953137, 2859411, 6671959, 20015877]

約数ペア:

[(1, 20015877), (3, 6671959), (7, 2859411), (21, 953137), (101, 198177), (303, 66059), (707, 28311), (2121, 9437)]