20581064

素因数分解:

$2^3\times 7^1\times {\mathrm{367519}}^1$

素因数の和:367532

約数の個数: 16

約数和(自身を含む): 44102400

約数和(自身を除く): 23521336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367519, 735038, 1470076, 2572633, 2940152, 5145266, 10290532, 20581064]

約数ペア:

[(1, 20581064), (2, 10290532), (4, 5145266), (7, 2940152), (8, 2572633), (14, 1470076), (28, 735038), (56, 367519)]