2020122124780

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1487}}^1\times {\mathrm{51971}}^1$

素因数の和:54774

約数の個数: 48

約数和(自身を含む): 4248439082496

約数和(自身を除く): 2228316957716

約数列:

[1, 2, 4, 5, 10, 20, 1307, 1487, 2614, 2974, 5228, 5948, 6535, 7435, 13070, 14870, 26140, 29740, 51971, 103942, 207884, 259855, 519710, 1039420, 1943509, 3887018, 7774036, 9717545, 19435090, 38870180, 67926097, 77280877, 135852194, 154561754, 271704388, 309123508, 339630485, 386404385, 679260970, 772808770, 1358521940, 1545617540, 101006106239, 202012212478, 404024424956, 505030531195, 1010061062390, 2020122124780]

約数ペア:

[(1, 2020122124780), (2, 1010061062390), (4, 505030531195), (5, 404024424956), (10, 202012212478), (20, 101006106239), (1307, 1545617540), (1487, 1358521940), (2614, 772808770), (2974, 679260970), (5228, 386404385), (5948, 339630485), (6535, 309123508), (7435, 271704388), (13070, 154561754), (14870, 135852194), (26140, 77280877), (29740, 67926097), (51971, 38870180), (103942, 19435090), (207884, 9717545), (259855, 7774036), (519710, 3887018), (1039420, 1943509)]