20182975

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 25980480

約数和(自身を除く): 5797505

約数列:

[1, 5, 25, 47, 89, 193, 235, 445, 965, 1175, 2225, 4183, 4825, 9071, 17177, 20915, 45355, 85885, 104575, 226775, 429425, 807319, 4036595, 20182975]

約数ペア:

[(1, 20182975), (5, 4036595), (25, 807319), (47, 429425), (89, 226775), (193, 104575), (235, 85885), (445, 45355), (965, 20915), (1175, 17177), (2225, 9071), (4183, 4825)]