20855528028

素因数分解:

$2^2\times 3^3\times {\mathrm{271}}^1\times {\mathrm{712571}}^1$

素因数の和:712855

約数の個数: 48

約数和(自身を含む): 54269483520

約数和(自身を除く): 33413955492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 271, 542, 813, 1084, 1626, 2439, 3252, 4878, 7317, 9756, 14634, 29268, 712571, 1425142, 2137713, 2850284, 4275426, 6413139, 8550852, 12826278, 19239417, 25652556, 38478834, 76957668, 193106741, 386213482, 579320223, 772426964, 1158640446, 1737960669, 2317280892, 3475921338, 5213882007, 6951842676, 10427764014, 20855528028]

約数ペア:

[(1, 20855528028), (2, 10427764014), (3, 6951842676), (4, 5213882007), (6, 3475921338), (9, 2317280892), (12, 1737960669), (18, 1158640446), (27, 772426964), (36, 579320223), (54, 386213482), (108, 193106741), (271, 76957668), (542, 38478834), (813, 25652556), (1084, 19239417), (1626, 12826278), (2439, 8550852), (3252, 6413139), (4878, 4275426), (7317, 2850284), (9756, 2137713), (14634, 1425142), (29268, 712571)]