20345296

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3109}}^1$

素因数の和:3526

約数の個数: 20

約数和(自身を含む): 39528100

約数和(自身を除く): 19182804

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3109, 3272, 6218, 6544, 12436, 24872, 49744, 1271581, 2543162, 5086324, 10172648, 20345296]

約数ペア:

[(1, 20345296), (2, 10172648), (4, 5086324), (8, 2543162), (16, 1271581), (409, 49744), (818, 24872), (1636, 12436), (3109, 6544), (3272, 6218)]