20815694

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5011}}^1$

素因数の和:5111

約数の個数: 16

約数和(自身を含む): 32718336

約数和(自身を除く): 11902642

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 5011, 10022, 155341, 310682, 335737, 671474, 10407847, 20815694]

約数ペア:

[(1, 20815694), (2, 10407847), (31, 671474), (62, 335737), (67, 310682), (134, 155341), (2077, 10022), (4154, 5011)]