20197040

素因数分解:

$2^4\times 5^1\times {\mathrm{252463}}^1$

素因数の和:252476

約数の個数: 20

約数和(自身を含む): 46958304

約数和(自身を除く): 26761264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252463, 504926, 1009852, 1262315, 2019704, 2524630, 4039408, 5049260, 10098520, 20197040]

約数ペア:

[(1, 20197040), (2, 10098520), (4, 5049260), (5, 4039408), (8, 2524630), (10, 2019704), (16, 1262315), (20, 1009852), (40, 504926), (80, 252463)]