20602445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 25950720

約数和(自身を除く): 5348275

約数列:

[1, 5, 31, 61, 155, 305, 1891, 2179, 9455, 10895, 67549, 132919, 337745, 664595, 4120489, 20602445]

約数ペア:

[(1, 20602445), (5, 4120489), (31, 664595), (61, 337745), (155, 132919), (305, 67549), (1891, 10895), (2179, 9455)]