20358866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21521}}^1$

素因数の和:21577

約数の個数: 16

約数和(自身を含む): 34090848

約数和(自身を除く): 13731982

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21521, 43042, 236731, 473462, 925403, 1850806, 10179433, 20358866]

約数ペア:

[(1, 20358866), (2, 10179433), (11, 1850806), (22, 925403), (43, 473462), (86, 236731), (473, 43042), (946, 21521)]