20565751100

素因数分解:

$2^2\times 5^2\times {\mathrm{1129}}^1\times {\mathrm{182159}}^1$

素因数の和:183302

約数の個数: 36

約数和(自身を含む): 44667453600

約数和(自身を除く): 24101702500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1129, 2258, 4516, 5645, 11290, 22580, 28225, 56450, 112900, 182159, 364318, 728636, 910795, 1821590, 3643180, 4553975, 9107950, 18215900, 205657511, 411315022, 822630044, 1028287555, 2056575110, 4113150220, 5141437775, 10282875550, 20565751100]

約数ペア:

[(1, 20565751100), (2, 10282875550), (4, 5141437775), (5, 4113150220), (10, 2056575110), (20, 1028287555), (25, 822630044), (50, 411315022), (100, 205657511), (1129, 18215900), (2258, 9107950), (4516, 4553975), (5645, 3643180), (11290, 1821590), (22580, 910795), (28225, 728636), (56450, 364318), (112900, 182159)]