20404518

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{178987}}^1$

素因数の和:179011

約数の個数: 16

約数和(自身を含む): 42957120

約数和(自身を除く): 22552602

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 178987, 357974, 536961, 1073922, 3400753, 6801506, 10202259, 20404518]

約数ペア:

[(1, 20404518), (2, 10202259), (3, 6801506), (6, 3400753), (19, 1073922), (38, 536961), (57, 357974), (114, 178987)]