20199702579

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{4549}}^1$

素因数の和:4968

約数の個数: 64

約数和(自身を含む): 33546240000

約数和(自身を除く): 13346537421

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 359, 399, 589, 651, 1077, 1767, 2513, 4123, 4549, 6821, 7539, 11129, 12369, 13647, 20463, 31843, 33387, 47747, 77903, 86431, 95529, 141019, 143241, 211451, 233709, 259293, 423057, 605017, 634353, 987133, 1480157, 1633091, 1815051, 2679361, 2961399, 4440471, 4899273, 8038083, 11431637, 18755527, 31028729, 34294911, 50625821, 56266581, 93086187, 151877463, 217201103, 354380747, 651603309, 961890599, 1063142241, 2885671797, 6733234193, 20199702579]

約数ペア:

[(1, 20199702579), (3, 6733234193), (7, 2885671797), (19, 1063142241), (21, 961890599), (31, 651603309), (57, 354380747), (93, 217201103), (133, 151877463), (217, 93086187), (359, 56266581), (399, 50625821), (589, 34294911), (651, 31028729), (1077, 18755527), (1767, 11431637), (2513, 8038083), (4123, 4899273), (4549, 4440471), (6821, 2961399), (7539, 2679361), (11129, 1815051), (12369, 1633091), (13647, 1480157), (20463, 987133), (31843, 634353), (33387, 605017), (47747, 423057), (77903, 259293), (86431, 233709), (95529, 211451), (141019, 143241)]