20127730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41077}}^1$

素因数の和:41098

約数の個数: 24

約数和(自身を含む): 42146028

約数和(自身を除く): 22018298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41077, 82154, 205385, 287539, 410770, 575078, 1437695, 2012773, 2875390, 4025546, 10063865, 20127730]

約数ペア:

[(1, 20127730), (2, 10063865), (5, 4025546), (7, 2875390), (10, 2012773), (14, 1437695), (35, 575078), (49, 410770), (70, 287539), (98, 205385), (245, 82154), (490, 41077)]