20157067

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23772672

約数和(自身を除く): 3615605

約数列:

[1, 7, 43, 167, 301, 401, 1169, 2807, 7181, 17243, 50267, 66967, 120701, 468769, 2879581, 20157067]

約数ペア:

[(1, 20157067), (7, 2879581), (43, 468769), (167, 120701), (301, 66967), (401, 50267), (1169, 17243), (2807, 7181)]