20157883900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2617907}}^1$

素因数の和:2617939

約数の個数: 72

約数和(自身を含む): 54536259456

約数和(自身を除く): 34378375556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 2617907, 5235814, 10471628, 13089535, 18325349, 26179070, 28796977, 36650698, 52358140, 57593954, 65447675, 73301396, 91626745, 115187908, 130895350, 143984885, 183253490, 201578839, 261790700, 287969770, 366506980, 403157678, 458133725, 575939540, 719924425, 806315356, 916267450, 1007894195, 1439848850, 1832534900, 2015788390, 2879697700, 4031576780, 5039470975, 10078941950, 20157883900]

約数ペア:

[(1, 20157883900), (2, 10078941950), (4, 5039470975), (5, 4031576780), (7, 2879697700), (10, 2015788390), (11, 1832534900), (14, 1439848850), (20, 1007894195), (22, 916267450), (25, 806315356), (28, 719924425), (35, 575939540), (44, 458133725), (50, 403157678), (55, 366506980), (70, 287969770), (77, 261790700), (100, 201578839), (110, 183253490), (140, 143984885), (154, 130895350), (175, 115187908), (220, 91626745), (275, 73301396), (308, 65447675), (350, 57593954), (385, 52358140), (550, 36650698), (700, 28796977), (770, 26179070), (1100, 18325349), (1540, 13089535), (1925, 10471628), (3850, 5235814), (7700, 2617907)]