20749207921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1\times {\mathrm{21467}}^1$

素因数の和:22128

約数の個数: 16

約数和(自身を含む): 22541400000

約数和(自身を除く): 1792192079

約数列:

[1, 13, 149, 499, 1937, 6487, 21467, 74351, 279071, 966563, 3198583, 10712033, 41581579, 139256429, 1596092917, 20749207921]

約数ペア:

[(1, 20749207921), (13, 1596092917), (149, 139256429), (499, 41581579), (1937, 10712033), (6487, 3198583), (21467, 966563), (74351, 279071)]