20908136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84307}}^1$

素因数の和:84344

約数の個数: 16

約数和(自身を含む): 40467840

約数和(自身を除く): 19559704

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84307, 168614, 337228, 674456, 2613517, 5227034, 10454068, 20908136]

約数ペア:

[(1, 20908136), (2, 10454068), (4, 5227034), (8, 2613517), (31, 674456), (62, 337228), (124, 168614), (248, 84307)]