20303385

素因数分解:

$3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1669}}^1$

素因数の和:2488

約数の個数: 16

約数和(自身を含む): 32544960

約数和(自身を除く): 12241575

約数列:

[1, 3, 5, 15, 811, 1669, 2433, 4055, 5007, 8345, 12165, 25035, 1353559, 4060677, 6767795, 20303385]

約数ペア:

[(1, 20303385), (3, 6767795), (5, 4060677), (15, 1353559), (811, 25035), (1669, 12165), (2433, 8345), (4055, 5007)]