20670754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1811}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 33485760

約数和(自身を除く): 12815006

約数列:

[1, 2, 13, 26, 439, 878, 1811, 3622, 5707, 11414, 23543, 47086, 795029, 1590058, 10335377, 20670754]

約数ペア:

[(1, 20670754), (2, 10335377), (13, 1590058), (26, 795029), (439, 47086), (878, 23543), (1811, 11414), (3622, 5707)]