20199135920

素因数分解:

$2^4\times 5^1\times {\mathrm{252489199}}^1$

素因数の和:252489212

約数の個数: 20

約数和(自身を含む): 46962991200

約数和(自身を除く): 26763855280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252489199, 504978398, 1009956796, 1262445995, 2019913592, 2524891990, 4039827184, 5049783980, 10099567960, 20199135920]

約数ペア:

[(1, 20199135920), (2, 10099567960), (4, 5049783980), (5, 4039827184), (8, 2524891990), (10, 2019913592), (16, 1262445995), (20, 1009956796), (40, 504978398), (80, 252489199)]