20684892

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40087}}^1$

素因数の和:40137

約数の個数: 24

約数和(自身を含む): 49388416

約数和(自身を除く): 28703524

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40087, 80174, 120261, 160348, 240522, 481044, 1723741, 3447482, 5171223, 6894964, 10342446, 20684892]

約数ペア:

[(1, 20684892), (2, 10342446), (3, 6894964), (4, 5171223), (6, 3447482), (12, 1723741), (43, 481044), (86, 240522), (129, 160348), (172, 120261), (258, 80174), (516, 40087)]