20229.0000000

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 14280672

約数和(自身を除く): 7189924

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 1613, 2198, 3226, 4396, 6452, 11291, 22582, 45164, 253241, 506482, 1012964, 1772687, 3545374, 7090748]

約数ペア:

[(1, 7090748), (2, 3545374), (4, 1772687), (7, 1012964), (14, 506482), (28, 253241), (157, 45164), (314, 22582), (628, 11291), (1099, 6452), (1613, 4396), (2198, 3226)]