20229050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 36

約数和(自身を含む): 38971278

約数和(自身を除く): 18742228

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 421, 775, 842, 961, 1550, 1922, 2105, 4210, 4805, 9610, 10525, 13051, 21050, 24025, 26102, 48050, 65255, 130510, 326275, 404581, 652550, 809162, 2022905, 4045810, 10114525, 20229050]

約数ペア:

[(1, 20229050), (2, 10114525), (5, 4045810), (10, 2022905), (25, 809162), (31, 652550), (50, 404581), (62, 326275), (155, 130510), (310, 65255), (421, 48050), (775, 26102), (842, 24025), (961, 21050), (1550, 13051), (1922, 10525), (2105, 9610), (4210, 4805)]