20123597

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 4697395

約数列:

[1, 13, 17, 23, 37, 107, 221, 299, 391, 481, 629, 851, 1391, 1819, 2461, 3959, 5083, 8177, 11063, 14467, 23647, 31993, 41837, 51467, 67303, 91057, 188071, 543881, 874939, 1183741, 1547969, 20123597]

約数ペア:

[(1, 20123597), (13, 1547969), (17, 1183741), (23, 874939), (37, 543881), (107, 188071), (221, 91057), (299, 67303), (391, 51467), (481, 41837), (629, 31993), (851, 23647), (1391, 14467), (1819, 11063), (2461, 8177), (3959, 5083)]