20209956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{367}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 51066624

約数和(自身を除く): 30856668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 353, 367, 706, 734, 1059, 1101, 1412, 1468, 2118, 2202, 4236, 4404, 4589, 4771, 9178, 9542, 13767, 14313, 18356, 19084, 27534, 28626, 55068, 57252, 129551, 259102, 388653, 518204, 777306, 1554612, 1684163, 3368326, 5052489, 6736652, 10104978, 20209956]

約数ペア:

[(1, 20209956), (2, 10104978), (3, 6736652), (4, 5052489), (6, 3368326), (12, 1684163), (13, 1554612), (26, 777306), (39, 518204), (52, 388653), (78, 259102), (156, 129551), (353, 57252), (367, 55068), (706, 28626), (734, 27534), (1059, 19084), (1101, 18356), (1412, 14313), (1468, 13767), (2118, 9542), (2202, 9178), (4236, 4771), (4404, 4589)]