20153173670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287902481}}^1$

素因数の和:287902495

約数の個数: 16

約数和(自身を含む): 41457957408

約数和(自身を除く): 21304783738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287902481, 575804962, 1439512405, 2015317367, 2879024810, 4030634734, 10076586835, 20153173670]

約数ペア:

[(1, 20153173670), (2, 10076586835), (5, 4030634734), (7, 2879024810), (10, 2015317367), (14, 1439512405), (35, 575804962), (70, 287902481)]