20427666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11311}}^1$

素因数の和:11366

約数の個数: 32

約数和(自身を含む): 47781888

約数和(自身を除く): 27354222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11311, 22622, 33933, 67866, 79177, 158354, 237531, 475062, 486373, 972746, 1459119, 2918238, 3404611, 6809222, 10213833, 20427666]

約数ペア:

[(1, 20427666), (2, 10213833), (3, 6809222), (6, 3404611), (7, 2918238), (14, 1459119), (21, 972746), (42, 486373), (43, 475062), (86, 237531), (129, 158354), (258, 79177), (301, 67866), (602, 33933), (903, 22622), (1806, 11311)]