20644360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46919}}^1$

素因数の和:46941

約数の個数: 32

約数和(自身を含む): 50673600

約数和(自身を除く): 30029240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46919, 93838, 187676, 234595, 375352, 469190, 516109, 938380, 1032218, 1876760, 2064436, 2580545, 4128872, 5161090, 10322180, 20644360]

約数ペア:

[(1, 20644360), (2, 10322180), (4, 5161090), (5, 4128872), (8, 2580545), (10, 2064436), (11, 1876760), (20, 1032218), (22, 938380), (40, 516109), (44, 469190), (55, 375352), (88, 234595), (110, 187676), (220, 93838), (440, 46919)]