20976758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20287}}^1$

素因数の和:20347

約数の個数: 16

約数和(自身を含む): 35057664

約数和(自身を除く): 14080906

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20287, 40574, 223157, 446314, 953489, 1906978, 10488379, 20976758]

約数ペア:

[(1, 20976758), (2, 10488379), (11, 1906978), (22, 953489), (47, 446314), (94, 223157), (517, 40574), (1034, 20287)]