20168470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12527}}^1$

素因数の和:12564

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 23128298

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12527, 25054, 62635, 87689, 125270, 175378, 288121, 438445, 576242, 876890, 1440605, 2016847, 2881210, 4033694, 10084235, 20168470]

約数ペア:

[(1, 20168470), (2, 10084235), (5, 4033694), (7, 2881210), (10, 2016847), (14, 1440605), (23, 876890), (35, 576242), (46, 438445), (70, 288121), (115, 175378), (161, 125270), (230, 87689), (322, 62635), (805, 25054), (1610, 12527)]