20481219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{467}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 32415552

約数和(自身を除く): 11934333

約数列:

[1, 3, 9, 11, 33, 99, 443, 467, 1329, 1401, 3987, 4203, 4873, 5137, 14619, 15411, 43857, 46233, 206881, 620643, 1861929, 2275691, 6827073, 20481219]

約数ペア:

[(1, 20481219), (3, 6827073), (9, 2275691), (11, 1861929), (33, 620643), (99, 206881), (443, 46233), (467, 43857), (1329, 15411), (1401, 14619), (3987, 5137), (4203, 4873)]