20187973024

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{238877}}^1$

素因数の和:239045

約数の個数: 48

約数和(自身を含む): 42138079200

約数和(自身を除く): 21950106176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 278, 304, 556, 608, 1112, 2224, 2641, 4448, 5282, 10564, 21128, 42256, 84512, 238877, 477754, 955508, 1911016, 3822032, 4538663, 7644064, 9077326, 18154652, 33203903, 36309304, 66407806, 72618608, 132815612, 145237216, 265631224, 531262448, 630874157, 1062524896, 1261748314, 2523496628, 5046993256, 10093986512, 20187973024]

約数ペア:

[(1, 20187973024), (2, 10093986512), (4, 5046993256), (8, 2523496628), (16, 1261748314), (19, 1062524896), (32, 630874157), (38, 531262448), (76, 265631224), (139, 145237216), (152, 132815612), (278, 72618608), (304, 66407806), (556, 36309304), (608, 33203903), (1112, 18154652), (2224, 9077326), (2641, 7644064), (4448, 4538663), (5282, 3822032), (10564, 1911016), (21128, 955508), (42256, 477754), (84512, 238877)]