2020121045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1319}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 2575964160

約数和(自身を除く): 555843115

約数列:

[1, 5, 31, 41, 155, 205, 241, 1205, 1271, 1319, 6355, 6595, 7471, 9881, 37355, 40889, 49405, 54079, 204445, 270395, 306311, 317879, 1531555, 1589395, 1676449, 8382245, 9854249, 13033039, 49271245, 65165195, 404024209, 2020121045]

約数ペア:

[(1, 2020121045), (5, 404024209), (31, 65165195), (41, 49271245), (155, 13033039), (205, 9854249), (241, 8382245), (1205, 1676449), (1271, 1589395), (1319, 1531555), (6355, 317879), (6595, 306311), (7471, 270395), (9881, 204445), (37355, 54079), (40889, 49405)]