20176870538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{18379}}^1$

素因数の和:18890

約数の個数: 32

約数和(自身を含む): 33348672000

約数和(自身を除く): 13171801462

約数列:

[1, 2, 11, 22, 139, 278, 359, 718, 1529, 3058, 3949, 7898, 18379, 36758, 49901, 99802, 202169, 404338, 548911, 1097822, 2554681, 5109362, 6598061, 13196122, 28101491, 56202982, 72578671, 145157342, 917130479, 1834260958, 10088435269, 20176870538]

約数ペア:

[(1, 20176870538), (2, 10088435269), (11, 1834260958), (22, 917130479), (139, 145157342), (278, 72578671), (359, 56202982), (718, 28101491), (1529, 13196122), (3058, 6598061), (3949, 5109362), (7898, 2554681), (18379, 1097822), (36758, 548911), (49901, 404338), (99802, 202169)]