20007883672

素因数分解:

$2^3\times 7^1\times {\mathrm{7127}}^1\times {\mathrm{50131}}^1$

素因数の和:57271

約数の個数: 32

約数和(自身を含む): 42880907520

約数和(自身を除く): 22873023848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7127, 14254, 28508, 49889, 50131, 57016, 99778, 100262, 199556, 200524, 350917, 399112, 401048, 701834, 1403668, 2807336, 357283637, 714567274, 1429134548, 2500985459, 2858269096, 5001970918, 10003941836, 20007883672]

約数ペア:

[(1, 20007883672), (2, 10003941836), (4, 5001970918), (7, 2858269096), (8, 2500985459), (14, 1429134548), (28, 714567274), (56, 357283637), (7127, 2807336), (14254, 1403668), (28508, 701834), (49889, 401048), (50131, 399112), (57016, 350917), (99778, 200524), (100262, 199556)]