20928582

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1759}}^1$

素因数の和:2428

約数の個数: 24

約数和(自身を含む): 45439680

約数和(自身を除く): 24511098

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1759, 1983, 3518, 3966, 5277, 5949, 10554, 11898, 15831, 31662, 1162699, 2325398, 3488097, 6976194, 10464291, 20928582]

約数ペア:

[(1, 20928582), (2, 10464291), (3, 6976194), (6, 3488097), (9, 2325398), (18, 1162699), (661, 31662), (1322, 15831), (1759, 11898), (1983, 10554), (3518, 5949), (3966, 5277)]