20164136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81307}}^1$

素因数の和:81344

約数の個数: 16

約数和(自身を含む): 39027840

約数和(自身を除く): 18863704

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81307, 162614, 325228, 650456, 2520517, 5041034, 10082068, 20164136]

約数ペア:

[(1, 20164136), (2, 10082068), (4, 5041034), (8, 2520517), (31, 650456), (62, 325228), (124, 162614), (248, 81307)]