20318418

素因数分解:

$2^1\times 3^3\times {\mathrm{587}}^1\times {\mathrm{641}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 24981102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 587, 641, 1174, 1282, 1761, 1923, 3522, 3846, 5283, 5769, 10566, 11538, 15849, 17307, 31698, 34614, 376267, 752534, 1128801, 2257602, 3386403, 6772806, 10159209, 20318418]

約数ペア:

[(1, 20318418), (2, 10159209), (3, 6772806), (6, 3386403), (9, 2257602), (18, 1128801), (27, 752534), (54, 376267), (587, 34614), (641, 31698), (1174, 17307), (1282, 15849), (1761, 11538), (1923, 10566), (3522, 5769), (3846, 5283)]