20210220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112279}}^1$

素因数の和:112294

約数の個数: 36

約数和(自身を含む): 61304880

約数和(自身を除く): 41094660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112279, 224558, 336837, 449116, 561395, 673674, 1010511, 1122790, 1347348, 1684185, 2021022, 2245580, 3368370, 4042044, 5052555, 6736740, 10105110, 20210220]

約数ペア:

[(1, 20210220), (2, 10105110), (3, 6736740), (4, 5052555), (5, 4042044), (6, 3368370), (9, 2245580), (10, 2021022), (12, 1684185), (15, 1347348), (18, 1122790), (20, 1010511), (30, 673674), (36, 561395), (45, 449116), (60, 336837), (90, 224558), (180, 112279)]