20512652960

素因数分解:

$2^5\times 5^1\times {\mathrm{4003}}^1\times {\mathrm{32027}}^1$

素因数の和:36045

約数の個数: 48

約数和(自身を含む): 48474762336

約数和(自身を除く): 27962109376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4003, 8006, 16012, 20015, 32024, 32027, 40030, 64048, 64054, 80060, 128096, 128108, 160120, 160135, 256216, 320240, 320270, 512432, 640480, 640540, 1024864, 1281080, 2562160, 5124320, 128204081, 256408162, 512816324, 641020405, 1025632648, 1282040810, 2051265296, 2564081620, 4102530592, 5128163240, 10256326480, 20512652960]

約数ペア:

[(1, 20512652960), (2, 10256326480), (4, 5128163240), (5, 4102530592), (8, 2564081620), (10, 2051265296), (16, 1282040810), (20, 1025632648), (32, 641020405), (40, 512816324), (80, 256408162), (160, 128204081), (4003, 5124320), (8006, 2562160), (16012, 1281080), (20015, 1024864), (32024, 640540), (32027, 640480), (40030, 512432), (64048, 320270), (64054, 320240), (80060, 256216), (128096, 160135), (128108, 160120)]