20205790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16699}}^1$

素因数の和:16728

約数の個数: 24

約数和(自身を含む): 39979800

約数和(自身を除く): 19774010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16699, 33398, 83495, 166990, 183689, 367378, 918445, 1836890, 2020579, 4041158, 10102895, 20205790]

約数ペア:

[(1, 20205790), (2, 10102895), (5, 4041158), (10, 2020579), (11, 1836890), (22, 918445), (55, 367378), (110, 183689), (121, 166990), (242, 83495), (605, 33398), (1210, 16699)]