2020580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 4381440

約数和(自身を除く): 2360860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3259, 6518, 13036, 16295, 32590, 65180, 101029, 202058, 404116, 505145, 1010290, 2020580]

約数ペア:

[(1, 2020580), (2, 1010290), (4, 505145), (5, 404116), (10, 202058), (20, 101029), (31, 65180), (62, 32590), (124, 16295), (155, 13036), (310, 6518), (620, 3259)]