20906165

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7561}}^1$

素因数の和:7652

約数の個数: 16

約数和(自身を含む): 29038080

約数和(自身を除く): 8131915

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7561, 37805, 52927, 264635, 597319, 2986595, 4181233, 20906165]

約数ペア:

[(1, 20906165), (5, 4181233), (7, 2986595), (35, 597319), (79, 264635), (395, 52927), (553, 37805), (2765, 7561)]