20661627

素因数分解:

$3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1493}}^1$

素因数の和:2162

約数の個数: 16

約数和(自身を含む): 31553280

約数和(自身を除く): 10891653

約数列:

[1, 3, 7, 21, 659, 1493, 1977, 4479, 4613, 10451, 13839, 31353, 983887, 2951661, 6887209, 20661627]

約数ペア:

[(1, 20661627), (3, 6887209), (7, 2951661), (21, 983887), (659, 31353), (1493, 13839), (1977, 10451), (4479, 4613)]