20272504

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 43585920

約数和(自身を除く): 23313416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 643, 1126, 1286, 2252, 2572, 3941, 4501, 4504, 5144, 7882, 9002, 15764, 18004, 31528, 36008, 362009, 724018, 1448036, 2534063, 2896072, 5068126, 10136252, 20272504]

約数ペア:

[(1, 20272504), (2, 10136252), (4, 5068126), (7, 2896072), (8, 2534063), (14, 1448036), (28, 724018), (56, 362009), (563, 36008), (643, 31528), (1126, 18004), (1286, 15764), (2252, 9002), (2572, 7882), (3941, 5144), (4501, 4504)]