20578105

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2713}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 25989264

約数和(自身を除く): 5411159

約数列:

[1, 5, 37, 41, 185, 205, 1517, 2713, 7585, 13565, 100381, 111233, 501905, 556165, 4115621, 20578105]

約数ペア:

[(1, 20578105), (5, 4115621), (37, 556165), (41, 501905), (185, 111233), (205, 100381), (1517, 13565), (2713, 7585)]