20216230857

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10851439}}^1$

素因数の和:10851474

約数の個数: 20

約数和(自身を含む): 31512581760

約数和(自身を除く): 11296350903

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10851439, 32554317, 97662951, 249583097, 292988853, 748749291, 878966559, 2246247873, 6738743619, 20216230857]

約数ペア:

[(1, 20216230857), (3, 6738743619), (9, 2246247873), (23, 878966559), (27, 748749291), (69, 292988853), (81, 249583097), (207, 97662951), (621, 32554317), (1863, 10851439)]