20493340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146381}}^1$

素因数の和:146397

約数の個数: 24

約数和(自身を含む): 49184352

約数和(自身を除く): 28691012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146381, 292762, 585524, 731905, 1024667, 1463810, 2049334, 2927620, 4098668, 5123335, 10246670, 20493340]

約数ペア:

[(1, 20493340), (2, 10246670), (4, 5123335), (5, 4098668), (7, 2927620), (10, 2049334), (14, 1463810), (20, 1024667), (28, 731905), (35, 585524), (70, 292762), (140, 146381)]