20178592004

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{647}}^1\times {\mathrm{72869}}^1$

素因数の和:73627

約数の個数: 24

約数和(自身を含む): 35698138560

約数和(自身を除く): 15519546556

約数列:

[1, 2, 4, 107, 214, 428, 647, 1294, 2588, 69229, 72869, 138458, 145738, 276916, 291476, 7796983, 15593966, 31187932, 47146243, 94292486, 188584972, 5044648001, 10089296002, 20178592004]

約数ペア:

[(1, 20178592004), (2, 10089296002), (4, 5044648001), (107, 188584972), (214, 94292486), (428, 47146243), (647, 31187932), (1294, 15593966), (2588, 7796983), (69229, 291476), (72869, 276916), (138458, 145738)]