20515670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293081}}^1$

素因数の和:293095

約数の個数: 16

約数和(自身を含む): 42203808

約数和(自身を除く): 21688138

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293081, 586162, 1465405, 2051567, 2930810, 4103134, 10257835, 20515670]

約数ペア:

[(1, 20515670), (2, 10257835), (5, 4103134), (7, 2930810), (10, 2051567), (14, 1465405), (35, 586162), (70, 293081)]