20109845260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{806329}}^1$

素因数の和:806410

約数の個数: 48

約数和(自身を含む): 44702935200

約数和(自身を除く): 24593089940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 4988, 6235, 12470, 24940, 806329, 1612658, 3225316, 4031645, 8063290, 16126580, 23383541, 34672147, 46767082, 69344294, 93534164, 116917705, 138688588, 173360735, 233835410, 346721470, 467670820, 693442940, 1005492263, 2010984526, 4021969052, 5027461315, 10054922630, 20109845260]

約数ペア:

[(1, 20109845260), (2, 10054922630), (4, 5027461315), (5, 4021969052), (10, 2010984526), (20, 1005492263), (29, 693442940), (43, 467670820), (58, 346721470), (86, 233835410), (116, 173360735), (145, 138688588), (172, 116917705), (215, 93534164), (290, 69344294), (430, 46767082), (580, 34672147), (860, 23383541), (1247, 16126580), (2494, 8063290), (4988, 4031645), (6235, 3225316), (12470, 1612658), (24940, 806329)]