20883968315

素因数分解:

$5^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{74707}}^1$

素因数の和:74896

約数の個数: 32

約数和(自身を含む): 29405068800

約数和(自身を除く): 8521100485

約数列:

[1, 5, 7, 35, 49, 163, 245, 343, 815, 1141, 1715, 5705, 7987, 39935, 55909, 74707, 279545, 373535, 522949, 2614745, 3660643, 12177241, 18303215, 25624501, 60886205, 85240687, 128122505, 426203435, 596684809, 2983424045, 4176793663, 20883968315]

約数ペア:

[(1, 20883968315), (5, 4176793663), (7, 2983424045), (35, 596684809), (49, 426203435), (163, 128122505), (245, 85240687), (343, 60886205), (815, 25624501), (1141, 18303215), (1715, 12177241), (5705, 3660643), (7987, 2614745), (39935, 522949), (55909, 373535), (74707, 279545)]