20778844315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{541}}^1\times {\mathrm{877}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 26382565440

約数和(自身を除く): 5603721125

約数列:

[1, 5, 19, 95, 461, 541, 877, 2305, 2705, 4385, 8759, 10279, 16663, 43795, 51395, 83315, 249401, 404297, 474457, 1247005, 2021485, 2372285, 4738619, 7681643, 9014683, 23693095, 38408215, 45073415, 218724677, 1093623385, 4155768863, 20778844315]

約数ペア:

[(1, 20778844315), (5, 4155768863), (19, 1093623385), (95, 218724677), (461, 45073415), (541, 38408215), (877, 23693095), (2305, 9014683), (2705, 7681643), (4385, 4738619), (8759, 2372285), (10279, 2021485), (16663, 1247005), (43795, 474457), (51395, 404297), (83315, 249401)]