20147871260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{511627}}^1$

素因数の和:511826

約数の個数: 48

約数和(自身を含む): 46414892160

約数和(自身を除く): 26267020900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 19690, 39380, 511627, 1023254, 2046508, 2558135, 5116270, 5627897, 10232540, 11255794, 22511588, 28139485, 56278970, 91581233, 112557940, 183162466, 366324932, 457906165, 915812330, 1007393563, 1831624660, 2014787126, 4029574252, 5036967815, 10073935630, 20147871260]

約数ペア:

[(1, 20147871260), (2, 10073935630), (4, 5036967815), (5, 4029574252), (10, 2014787126), (11, 1831624660), (20, 1007393563), (22, 915812330), (44, 457906165), (55, 366324932), (110, 183162466), (179, 112557940), (220, 91581233), (358, 56278970), (716, 28139485), (895, 22511588), (1790, 11255794), (1969, 10232540), (3580, 5627897), (3938, 5116270), (7876, 2558135), (9845, 2046508), (19690, 1023254), (39380, 511627)]