20703340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147881}}^1$

素因数の和:147897

約数の個数: 24

約数和(自身を含む): 49688352

約数和(自身を除く): 28985012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147881, 295762, 591524, 739405, 1035167, 1478810, 2070334, 2957620, 4140668, 5175835, 10351670, 20703340]

約数ペア:

[(1, 20703340), (2, 10351670), (4, 5175835), (5, 4140668), (7, 2957620), (10, 2070334), (14, 1478810), (20, 1035167), (28, 739405), (35, 591524), (70, 295762), (140, 147881)]