20353340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145381}}^1$

素因数の和:145397

約数の個数: 24

約数和(自身を含む): 48848352

約数和(自身を除く): 28495012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145381, 290762, 581524, 726905, 1017667, 1453810, 2035334, 2907620, 4070668, 5088335, 10176670, 20353340]

約数ペア:

[(1, 20353340), (2, 10176670), (4, 5088335), (5, 4070668), (7, 2907620), (10, 2035334), (14, 1453810), (20, 1017667), (28, 726905), (35, 581524), (70, 290762), (140, 145381)]