20743844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{471451}}^1$

素因数の和:471466

約数の個数: 12

約数和(自身を含む): 39601968

約数和(自身を除く): 18858124

約数列:

[1, 2, 4, 11, 22, 44, 471451, 942902, 1885804, 5185961, 10371922, 20743844]

約数ペア:

[(1, 20743844), (2, 10371922), (4, 5185961), (11, 1885804), (22, 942902), (44, 471451)]