20996866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6079}}^1$

素因数の和:6249

約数の個数: 16

約数和(自身を含む): 34583040

約数和(自身を除く): 13586174

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6079, 12158, 66869, 133738, 954403, 1908806, 10498433, 20996866]

約数ペア:

[(1, 20996866), (2, 10498433), (11, 1908806), (22, 954403), (157, 133738), (314, 66869), (1727, 12158), (3454, 6079)]