20007895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{587}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 25528608

約数和(自身を除く): 5520713

約数列:

[1, 5, 17, 85, 401, 587, 2005, 2935, 6817, 9979, 34085, 49895, 235387, 1176935, 4001579, 20007895]

約数ペア:

[(1, 20007895), (5, 4001579), (17, 1176935), (85, 235387), (401, 49895), (587, 34085), (2005, 9979), (2935, 6817)]