20201698098

素因数分解:

$2^1\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{561439}}^1$

素因数の和:563446

約数の個数: 24

約数和(自身を含む): 43792320000

約数和(自身を除く): 23590621902

約数列:

[1, 2, 3, 6, 9, 18, 1999, 3998, 5997, 11994, 17991, 35982, 561439, 1122878, 1684317, 3368634, 5052951, 10105902, 1122316561, 2244633122, 3366949683, 6733899366, 10100849049, 20201698098]

約数ペア:

[(1, 20201698098), (2, 10100849049), (3, 6733899366), (6, 3366949683), (9, 2244633122), (18, 1122316561), (1999, 10105902), (3998, 5052951), (5997, 3368634), (11994, 1684317), (17991, 1122878), (35982, 561439)]