20512690535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{890501}}^1$

素因数の和:890794

約数の個数: 16

約数和(自身を含む): 26159386752

約数和(自身を除く): 5646696217

約数列:

[1, 5, 17, 85, 271, 1355, 4607, 23035, 890501, 4452505, 15138517, 75692585, 241325771, 1206628855, 4102538107, 20512690535]

約数ペア:

[(1, 20512690535), (5, 4102538107), (17, 1206628855), (85, 241325771), (271, 75692585), (1355, 15138517), (4607, 4452505), (23035, 890501)]