20397130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156901}}^1$

素因数の和:156921

約数の個数: 16

約数和(自身を含む): 39539304

約数和(自身を除く): 19142174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156901, 313802, 784505, 1569010, 2039713, 4079426, 10198565, 20397130]

約数ペア:

[(1, 20397130), (2, 10198565), (5, 4079426), (10, 2039713), (13, 1569010), (26, 784505), (65, 313802), (130, 156901)]