20882575

素因数分解:

$5^2\times 7^2\times {\mathrm{17047}}^1$

素因数の和:17071

約数の個数: 18

約数和(自身を含む): 30123816

約数和(自身を除く): 9241241

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 17047, 85235, 119329, 426175, 596645, 835303, 2983225, 4176515, 20882575]

約数ペア:

[(1, 20882575), (5, 4176515), (7, 2983225), (25, 835303), (35, 596645), (49, 426175), (175, 119329), (245, 85235), (1225, 17047)]