20068700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2102

約数の個数: 36

約数和(自身を含む): 44002392

約数和(自身を除く): 23933692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 1987, 2020, 2525, 3974, 5050, 7948, 9935, 10100, 19870, 39740, 49675, 99350, 198700, 200687, 401374, 802748, 1003435, 2006870, 4013740, 5017175, 10034350, 20068700]

約数ペア:

[(1, 20068700), (2, 10034350), (4, 5017175), (5, 4013740), (10, 2006870), (20, 1003435), (25, 802748), (50, 401374), (100, 200687), (101, 198700), (202, 99350), (404, 49675), (505, 39740), (1010, 19870), (1987, 10100), (2020, 9935), (2525, 7948), (3974, 5050)]