20139070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287701}}^1$

素因数の和:287715

約数の個数: 16

約数和(自身を含む): 41429088

約数和(自身を除く): 21290018

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287701, 575402, 1438505, 2013907, 2877010, 4027814, 10069535, 20139070]

約数ペア:

[(1, 20139070), (2, 10069535), (5, 4027814), (7, 2877010), (10, 2013907), (14, 1438505), (35, 575402), (70, 287701)]