20901655

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 26066304

約数和(自身を除く): 5164649

約数列:

[1, 5, 43, 67, 215, 335, 1451, 2881, 7255, 14405, 62393, 97217, 311965, 486085, 4180331, 20901655]

約数ペア:

[(1, 20901655), (5, 4180331), (43, 486085), (67, 311965), (215, 97217), (335, 62393), (1451, 14405), (2881, 7255)]