20659225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 26462592

約数和(自身を除く): 5803367

約数列:

[1, 5, 25, 71, 103, 113, 355, 515, 565, 1775, 2575, 2825, 7313, 8023, 11639, 36565, 40115, 58195, 182825, 200575, 290975, 826369, 4131845, 20659225]

約数ペア:

[(1, 20659225), (5, 4131845), (25, 826369), (71, 290975), (103, 200575), (113, 182825), (355, 58195), (515, 40115), (565, 36565), (1775, 11639), (2575, 8023), (2825, 7313)]