20108245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2180

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 5148203

約数列:

[1, 5, 41, 47, 205, 235, 1927, 2087, 9635, 10435, 85567, 98089, 427835, 490445, 4021649, 20108245]

約数ペア:

[(1, 20108245), (5, 4021649), (41, 490445), (47, 427835), (205, 98089), (235, 85567), (1927, 10435), (2087, 9635)]