20720349736

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{1223}}^1\times {\mathrm{8861}}^1$

素因数の和:10329

約数の個数: 32

約数和(自身を含む): 39049516800

約数和(自身を除く): 18329167064

約数列:

[1, 2, 4, 8, 239, 478, 956, 1223, 1912, 2446, 4892, 8861, 9784, 17722, 35444, 70888, 292297, 584594, 1169188, 2117779, 2338376, 4235558, 8471116, 10837003, 16942232, 21674006, 43348012, 86696024, 2590043717, 5180087434, 10360174868, 20720349736]

約数ペア:

[(1, 20720349736), (2, 10360174868), (4, 5180087434), (8, 2590043717), (239, 86696024), (478, 43348012), (956, 21674006), (1223, 16942232), (1912, 10837003), (2446, 8471116), (4892, 4235558), (8861, 2338376), (9784, 2117779), (17722, 1169188), (35444, 584594), (70888, 292297)]