20730087

素因数分解:

$3^5\times 7^2\times {\mathrm{1741}}^1$

素因数の和:1770

約数の個数: 36

約数和(自身を含む): 36143016

約数和(自身を除く): 15412929

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 1741, 3969, 5223, 11907, 12187, 15669, 36561, 47007, 85309, 109683, 141021, 255927, 329049, 423063, 767781, 987147, 2303343, 2961441, 6910029, 20730087]

約数ペア:

[(1, 20730087), (3, 6910029), (7, 2961441), (9, 2303343), (21, 987147), (27, 767781), (49, 423063), (63, 329049), (81, 255927), (147, 141021), (189, 109683), (243, 85309), (441, 47007), (567, 36561), (1323, 15669), (1701, 12187), (1741, 11907), (3969, 5223)]