20798104

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 40669200

約数和(自身を除く): 19871096

約数列:

[1, 2, 4, 8, 29, 58, 116, 157, 232, 314, 571, 628, 1142, 1256, 2284, 4553, 4568, 9106, 16559, 18212, 33118, 36424, 66236, 89647, 132472, 179294, 358588, 717176, 2599763, 5199526, 10399052, 20798104]

約数ペア:

[(1, 20798104), (2, 10399052), (4, 5199526), (8, 2599763), (29, 717176), (58, 358588), (116, 179294), (157, 132472), (232, 89647), (314, 66236), (571, 36424), (628, 33118), (1142, 18212), (1256, 16559), (2284, 9106), (4553, 4568)]