20178834207

素因数分解:

$3^1\times 7^2\times {\mathrm{3373}}^1\times {\mathrm{40697}}^1$

素因数の和:44087

約数の個数: 24

約数和(自身を含む): 31307831856

約数和(自身を除く): 11128997649

約数列:

[1, 3, 7, 21, 49, 147, 3373, 10119, 23611, 40697, 70833, 122091, 165277, 284879, 495831, 854637, 1994153, 5982459, 137270981, 411812943, 960896867, 2882690601, 6726278069, 20178834207]

約数ペア:

[(1, 20178834207), (3, 6726278069), (7, 2882690601), (21, 960896867), (49, 411812943), (147, 137270981), (3373, 5982459), (10119, 1994153), (23611, 854637), (40697, 495831), (70833, 284879), (122091, 165277)]