20830677

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{3581}}^1$

素因数の和:3868

約数の個数: 16

約数和(自身を含む): 31865472

約数和(自身を除く): 11034795

約数列:

[1, 3, 7, 21, 277, 831, 1939, 3581, 5817, 10743, 25067, 75201, 991937, 2975811, 6943559, 20830677]

約数ペア:

[(1, 20830677), (3, 6943559), (7, 2975811), (21, 991937), (277, 75201), (831, 25067), (1939, 10743), (3581, 5817)]