20864360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47419}}^1$

素因数の和:47441

約数の個数: 32

約数和(自身を含む): 51213600

約数和(自身を除く): 30349240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47419, 94838, 189676, 237095, 379352, 474190, 521609, 948380, 1043218, 1896760, 2086436, 2608045, 4172872, 5216090, 10432180, 20864360]

約数ペア:

[(1, 20864360), (2, 10432180), (4, 5216090), (5, 4172872), (8, 2608045), (10, 2086436), (11, 1896760), (20, 1043218), (22, 948380), (40, 521609), (44, 474190), (55, 379352), (88, 237095), (110, 189676), (220, 94838), (440, 47419)]