20186874

素因数分解:

$2^1\times 3^3\times {\mathrm{541}}^1\times {\mathrm{691}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 45007680

約数和(自身を除く): 24820806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 541, 691, 1082, 1382, 1623, 2073, 3246, 4146, 4869, 6219, 9738, 12438, 14607, 18657, 29214, 37314, 373831, 747662, 1121493, 2242986, 3364479, 6728958, 10093437, 20186874]

約数ペア:

[(1, 20186874), (2, 10093437), (3, 6728958), (6, 3364479), (9, 2242986), (18, 1121493), (27, 747662), (54, 373831), (541, 37314), (691, 29214), (1082, 18657), (1382, 14607), (1623, 12438), (2073, 9738), (3246, 6219), (4146, 4869)]