20025280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5689}}^1$

素因数の和:5717

約数の個数: 56

約数和(自身を含む): 52029360

約数和(自身を除く): 32004080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5689, 11378, 22756, 28445, 45512, 56890, 62579, 91024, 113780, 125158, 182048, 227560, 250316, 312895, 364096, 455120, 500632, 625790, 910240, 1001264, 1251580, 1820480, 2002528, 2503160, 4005056, 5006320, 10012640, 20025280]

約数ペア:

[(1, 20025280), (2, 10012640), (4, 5006320), (5, 4005056), (8, 2503160), (10, 2002528), (11, 1820480), (16, 1251580), (20, 1001264), (22, 910240), (32, 625790), (40, 500632), (44, 455120), (55, 364096), (64, 312895), (80, 250316), (88, 227560), (110, 182048), (160, 125158), (176, 113780), (220, 91024), (320, 62579), (352, 56890), (440, 45512), (704, 28445), (880, 22756), (1760, 11378), (3520, 5689)]