20648883

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{929}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 7920717

約数列:

[1, 3, 31, 93, 239, 717, 929, 2787, 7409, 22227, 28799, 86397, 222031, 666093, 6882961, 20648883]

約数ペア:

[(1, 20648883), (3, 6882961), (31, 666093), (93, 222031), (239, 86397), (717, 28799), (929, 22227), (2787, 7409)]