20217508504

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4965007}}^1$

素因数の和:4965522

約数の個数: 16

約数和(自身を含む): 37982311200

約数和(自身を除く): 17764802696

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4965007, 9930014, 19860028, 39720056, 2527188563, 5054377126, 10108754252, 20217508504]

約数ペア:

[(1, 20217508504), (2, 10108754252), (4, 5054377126), (8, 2527188563), (509, 39720056), (1018, 19860028), (2036, 9930014), (4072, 4965007)]