20009897859

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9250993}}^1$

素因数の和:9251106

約数の個数: 16

約数和(自身を含む): 30787308032

約数和(自身を除く): 10777410173

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9250993, 27752979, 64756951, 194270853, 952852279, 2858556837, 6669965953, 20009897859]

約数ペア:

[(1, 20009897859), (3, 6669965953), (7, 2858556837), (21, 952852279), (103, 194270853), (309, 64756951), (721, 27752979), (2163, 9250993)]