20964344

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{4153}}^1$

素因数の和:4790

約数の個数: 16

約数和(自身を含む): 39379920

約数和(自身を除く): 18415576

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 4153, 5048, 8306, 16612, 33224, 2620543, 5241086, 10482172, 20964344]

約数ペア:

[(1, 20964344), (2, 10482172), (4, 5241086), (8, 2620543), (631, 33224), (1262, 16612), (2524, 8306), (4153, 5048)]