20202650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31081}}^1$

素因数の和:31106

約数の個数: 24

約数和(自身を含む): 40468764

約数和(自身を除く): 20266114

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31081, 62162, 155405, 310810, 404053, 777025, 808106, 1554050, 2020265, 4040530, 10101325, 20202650]

約数ペア:

[(1, 20202650), (2, 10101325), (5, 4040530), (10, 2020265), (13, 1554050), (25, 808106), (26, 777025), (50, 404053), (65, 310810), (130, 155405), (325, 62162), (650, 31081)]