20077595620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{552493}}^1$

素因数の和:552604

約数の個数: 48

約数和(自身を含む): 44553116160

約数和(自身を除く): 24475520540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 7268, 9085, 18170, 36340, 552493, 1104986, 2209972, 2762465, 5524930, 11049860, 12707339, 25414678, 43646947, 50829356, 63536695, 87293894, 127073390, 174587788, 218234735, 254146780, 436469470, 872938940, 1003879781, 2007759562, 4015519124, 5019398905, 10038797810, 20077595620]

約数ペア:

[(1, 20077595620), (2, 10038797810), (4, 5019398905), (5, 4015519124), (10, 2007759562), (20, 1003879781), (23, 872938940), (46, 436469470), (79, 254146780), (92, 218234735), (115, 174587788), (158, 127073390), (230, 87293894), (316, 63536695), (395, 50829356), (460, 43646947), (790, 25414678), (1580, 12707339), (1817, 11049860), (3634, 5524930), (7268, 2762465), (9085, 2209972), (18170, 1104986), (36340, 552493)]