20451886

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 38158848

約数和(自身を除く): 17706962

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1091, 1339, 1442, 2182, 2678, 7637, 9373, 14183, 15274, 18746, 28366, 99281, 112373, 198562, 224746, 786611, 1460849, 1573222, 2921698, 10225943, 20451886]

約数ペア:

[(1, 20451886), (2, 10225943), (7, 2921698), (13, 1573222), (14, 1460849), (26, 786611), (91, 224746), (103, 198562), (182, 112373), (206, 99281), (721, 28366), (1091, 18746), (1339, 15274), (1442, 14183), (2182, 9373), (2678, 7637)]