20325321

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 30635904

約数和(自身を除く): 10310583

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 911, 2479, 2733, 7437, 8199, 22311, 33707, 61037, 101121, 183111, 303363, 549333, 2258369, 6775107, 20325321]

約数ペア:

[(1, 20325321), (3, 6775107), (9, 2258369), (37, 549333), (67, 303363), (111, 183111), (201, 101121), (333, 61037), (603, 33707), (911, 22311), (2479, 8199), (2733, 7437)]