20512338776

素因数分解:

$2^3\times {\mathrm{2239}}^1\times {\mathrm{1145173}}^1$

素因数の和:1147418

約数の個数: 16

約数和(自身を含む): 38477846400

約数和(自身を除く): 17965507624

約数列:

[1, 2, 4, 8, 2239, 4478, 8956, 17912, 1145173, 2290346, 4580692, 9161384, 2564042347, 5128084694, 10256169388, 20512338776]

約数ペア:

[(1, 20512338776), (2, 10256169388), (4, 5128084694), (8, 2564042347), (2239, 9161384), (4478, 4580692), (8956, 2290346), (17912, 1145173)]