20471288

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20171272

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1567, 1633, 3134, 3266, 6268, 6532, 12536, 13064, 36041, 72082, 111257, 144164, 222514, 288328, 445028, 890056, 2558911, 5117822, 10235644, 20471288]

約数ペア:

[(1, 20471288), (2, 10235644), (4, 5117822), (8, 2558911), (23, 890056), (46, 445028), (71, 288328), (92, 222514), (142, 144164), (184, 111257), (284, 72082), (568, 36041), (1567, 13064), (1633, 12536), (3134, 6532), (3266, 6268)]