20280425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 28391040

約数和(自身を除く): 8110615

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 2543, 7975, 12715, 27973, 63575, 73747, 139865, 368735, 699325, 811217, 1843675, 4056085, 20280425]

約数ペア:

[(1, 20280425), (5, 4056085), (11, 1843675), (25, 811217), (29, 699325), (55, 368735), (145, 139865), (275, 73747), (319, 63575), (725, 27973), (1595, 12715), (2543, 7975)]