20167029560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4991839}}^1$

素因数の和:4991951

約数の個数: 32

約数和(自身を含む): 45825091200

約数和(自身を除く): 25658061640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4991839, 9983678, 19967356, 24959195, 39934712, 49918390, 99836780, 199673560, 504175739, 1008351478, 2016702956, 2520878695, 4033405912, 5041757390, 10083514780, 20167029560]

約数ペア:

[(1, 20167029560), (2, 10083514780), (4, 5041757390), (5, 4033405912), (8, 2520878695), (10, 2016702956), (20, 1008351478), (40, 504175739), (101, 199673560), (202, 99836780), (404, 49918390), (505, 39934712), (808, 24959195), (1010, 19967356), (2020, 9983678), (4040, 4991839)]