20644686

素因数分解:

$2^1\times 3^3\times {\mathrm{443}}^1\times {\mathrm{863}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 25389234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 443, 863, 886, 1329, 1726, 2589, 2658, 3987, 5178, 7767, 7974, 11961, 15534, 23301, 23922, 46602, 382309, 764618, 1146927, 2293854, 3440781, 6881562, 10322343, 20644686]

約数ペア:

[(1, 20644686), (2, 10322343), (3, 6881562), (6, 3440781), (9, 2293854), (18, 1146927), (27, 764618), (54, 382309), (443, 46602), (863, 23922), (886, 23301), (1329, 15534), (1726, 11961), (2589, 7974), (2658, 7767), (3987, 5178)]