20400961

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1051}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 24238080

約数和(自身を除く): 3837119

約数列:

[1, 7, 47, 59, 329, 413, 1051, 2773, 7357, 19411, 49397, 62009, 345779, 434063, 2914423, 20400961]

約数ペア:

[(1, 20400961), (7, 2914423), (47, 434063), (59, 345779), (329, 62009), (413, 49397), (1051, 19411), (2773, 7357)]