20166045880

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{370427}}^1$

素因数の和:371799

約数の個数: 32

約数和(自身を含む): 45407064240

約数和(自身を除く): 25241018360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 2722, 5444, 6805, 10888, 13610, 27220, 54440, 370427, 740854, 1481708, 1852135, 2963416, 3704270, 7408540, 14817080, 504151147, 1008302294, 2016604588, 2520755735, 4033209176, 5041511470, 10083022940, 20166045880]

約数ペア:

[(1, 20166045880), (2, 10083022940), (4, 5041511470), (5, 4033209176), (8, 2520755735), (10, 2016604588), (20, 1008302294), (40, 504151147), (1361, 14817080), (2722, 7408540), (5444, 3704270), (6805, 2963416), (10888, 1852135), (13610, 1481708), (27220, 740854), (54440, 370427)]