20911188

素因数分解:

$2^2\times 3^1\times {\mathrm{877}}^1\times {\mathrm{1987}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 48872992

約数和(自身を除く): 27961804

約数列:

[1, 2, 3, 4, 6, 12, 877, 1754, 1987, 2631, 3508, 3974, 5262, 5961, 7948, 10524, 11922, 23844, 1742599, 3485198, 5227797, 6970396, 10455594, 20911188]

約数ペア:

[(1, 20911188), (2, 10455594), (3, 6970396), (4, 5227797), (6, 3485198), (12, 1742599), (877, 23844), (1754, 11922), (1987, 10524), (2631, 7948), (3508, 5961), (3974, 5262)]