20185249716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{686293}}^1$

素因数の和:686365

約数の個数: 72

約数和(自身を含む): 54958423520

約数和(自身を除く): 34773173804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 1548, 1634, 2451, 3268, 4902, 7353, 9804, 14706, 29412, 686293, 1372586, 2058879, 2745172, 4117758, 6176637, 8235516, 12353274, 13039567, 24706548, 26079134, 29510599, 39118701, 52158268, 59021198, 78237402, 88531797, 117356103, 118042396, 156474804, 177063594, 234712206, 265595391, 354127188, 469424412, 531190782, 560701381, 1062381564, 1121402762, 1682104143, 2242805524, 3364208286, 5046312429, 6728416572, 10092624858, 20185249716]

約数ペア:

[(1, 20185249716), (2, 10092624858), (3, 6728416572), (4, 5046312429), (6, 3364208286), (9, 2242805524), (12, 1682104143), (18, 1121402762), (19, 1062381564), (36, 560701381), (38, 531190782), (43, 469424412), (57, 354127188), (76, 265595391), (86, 234712206), (114, 177063594), (129, 156474804), (171, 118042396), (172, 117356103), (228, 88531797), (258, 78237402), (342, 59021198), (387, 52158268), (516, 39118701), (684, 29510599), (774, 26079134), (817, 24706548), (1548, 13039567), (1634, 12353274), (2451, 8235516), (3268, 6176637), (4902, 4117758), (7353, 2745172), (9804, 2058879), (14706, 1372586), (29412, 686293)]