19957070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285101}}^1$

素因数の和:285115

約数の個数: 16

約数和(自身を含む): 41054688

約数和(自身を除く): 21097618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285101, 570202, 1425505, 1995707, 2851010, 3991414, 9978535, 19957070]

約数ペア:

[(1, 19957070), (2, 9978535), (5, 3991414), (7, 2851010), (10, 1995707), (14, 1425505), (35, 570202), (70, 285101)]