20750808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66509}}^1$

素因数の和:66531

約数の個数: 32

約数和(自身を含む): 55868400

約数和(自身を除く): 35117592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66509, 133018, 199527, 266036, 399054, 532072, 798108, 864617, 1596216, 1729234, 2593851, 3458468, 5187702, 6916936, 10375404, 20750808]

約数ペア:

[(1, 20750808), (2, 10375404), (3, 6916936), (4, 5187702), (6, 3458468), (8, 2593851), (12, 1729234), (13, 1596216), (24, 864617), (26, 798108), (39, 532072), (52, 399054), (78, 266036), (104, 199527), (156, 133018), (312, 66509)]