20559077

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5449}}^1$

素因数の和:5481

約数の個数: 16

約数和(自身を含む): 26160000

約数和(自身を除く): 5600923

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5449, 38143, 59939, 267001, 419573, 1869007, 2937011, 20559077]

約数ペア:

[(1, 20559077), (7, 2937011), (11, 1869007), (49, 419573), (77, 267001), (343, 59939), (539, 38143), (3773, 5449)]