20397000001

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{553229}}^1$

素因数の和:553488

約数の個数: 16

約数和(自身を含む): 24430636800

約数和(自身を除く): 4033636799

約数列:

[1, 7, 23, 161, 229, 1603, 5267, 36869, 553229, 3872603, 12724267, 89069869, 126689441, 886826087, 2913857143, 20397000001]

約数ペア:

[(1, 20397000001), (7, 2913857143), (23, 886826087), (161, 126689441), (229, 89069869), (1603, 12724267), (5267, 3872603), (36869, 553229)]