20797818

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 44024640

約数和(自身を除く): 23226822

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 241, 482, 723, 757, 1446, 1514, 2271, 4542, 4579, 9158, 13737, 14383, 27474, 28766, 43149, 86298, 182437, 364874, 547311, 1094622, 3466303, 6932606, 10398909, 20797818]

約数ペア:

[(1, 20797818), (2, 10398909), (3, 6932606), (6, 3466303), (19, 1094622), (38, 547311), (57, 364874), (114, 182437), (241, 86298), (482, 43149), (723, 28766), (757, 27474), (1446, 14383), (1514, 13737), (2271, 9158), (4542, 4579)]