2020403740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2463907}}^1$

素因数の和:2463957

約数の個数: 24

約数和(自身を含む): 4346333712

約数和(自身を除く): 2325929972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2463907, 4927814, 9855628, 12319535, 24639070, 49278140, 101020187, 202040374, 404080748, 505100935, 1010201870, 2020403740]

約数ペア:

[(1, 2020403740), (2, 1010201870), (4, 505100935), (5, 404080748), (10, 202040374), (20, 101020187), (41, 49278140), (82, 24639070), (164, 12319535), (205, 9855628), (410, 4927814), (820, 2463907)]