20216051695

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7912349}}^1$

素因数の和:7912434

約数の個数: 16

約数和(自身を含む): 28104667200

約数和(自身を除く): 7888615505

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 7912349, 39561745, 55386443, 276932215, 577601477, 2888007385, 4043210339, 20216051695]

約数ペア:

[(1, 20216051695), (5, 4043210339), (7, 2888007385), (35, 577601477), (73, 276932215), (365, 55386443), (511, 39561745), (2555, 7912349)]