20841145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10343}}^1$

素因数の和:10392

約数の個数: 16

約数和(自身を含む): 27804672

約数和(自身を除く): 6963527

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10343, 51715, 134459, 320633, 672295, 1603165, 4168229, 20841145]

約数ペア:

[(1, 20841145), (5, 4168229), (13, 1603165), (31, 672295), (65, 320633), (155, 134459), (403, 51715), (2015, 10343)]