20520072

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2767}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 56135040

約数和(自身を除く): 35614968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2767, 3708, 5534, 7416, 8301, 11068, 16602, 22136, 24903, 33204, 49806, 66408, 99612, 199224, 285001, 570002, 855003, 1140004, 1710006, 2280008, 2565009, 3420012, 5130018, 6840024, 10260036, 20520072]

約数ペア:

[(1, 20520072), (2, 10260036), (3, 6840024), (4, 5130018), (6, 3420012), (8, 2565009), (9, 2280008), (12, 1710006), (18, 1140004), (24, 855003), (36, 570002), (72, 285001), (103, 199224), (206, 99612), (309, 66408), (412, 49806), (618, 33204), (824, 24903), (927, 22136), (1236, 16602), (1854, 11068), (2472, 8301), (2767, 7416), (3708, 5534)]