20861667

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 32467968

約数和(自身を除く): 11606301

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3251, 6417, 9753, 29259, 74773, 100781, 224319, 302343, 672957, 907029, 2317963, 6953889, 20861667]

約数ペア:

[(1, 20861667), (3, 6953889), (9, 2317963), (23, 907029), (31, 672957), (69, 302343), (93, 224319), (207, 100781), (279, 74773), (713, 29259), (2139, 9753), (3251, 6417)]