20757087

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4549}}^1$

素因数の和:4584

約数の個数: 24

約数和(自身を含む): 33306000

約数和(自身を除く): 12548913

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4549, 4563, 13647, 40941, 59137, 122823, 177411, 532233, 768781, 1596699, 2306343, 6919029, 20757087]

約数ペア:

[(1, 20757087), (3, 6919029), (9, 2306343), (13, 1596699), (27, 768781), (39, 532233), (117, 177411), (169, 122823), (351, 59137), (507, 40941), (1521, 13647), (4549, 4563)]