20931138

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37511}}^1$

素因数の和:37550

約数の個数: 24

約数和(自身を含む): 46814976

約数和(自身を除く): 25883838

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37511, 75022, 112533, 225066, 337599, 675198, 1162841, 2325682, 3488523, 6977046, 10465569, 20931138]

約数ペア:

[(1, 20931138), (2, 10465569), (3, 6977046), (6, 3488523), (9, 2325682), (18, 1162841), (31, 675198), (62, 337599), (93, 225066), (186, 112533), (279, 75022), (558, 37511)]