20437814

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3547}}^1$

素因数の和:3659

約数の個数: 16

約数和(自身を含む): 31846848

約数和(自身を除く): 11409034

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3547, 5762, 7094, 152521, 237649, 305042, 475298, 10218907, 20437814]

約数ペア:

[(1, 20437814), (2, 10218907), (43, 475298), (67, 305042), (86, 237649), (134, 152521), (2881, 7094), (3547, 5762)]