20526993

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{3181}}^1$

素因数の和:3429

約数の個数: 16

約数和(自身を含む): 30547200

約数和(自身を除く): 10020207

約数列:

[1, 3, 9, 27, 239, 717, 2151, 3181, 6453, 9543, 28629, 85887, 760259, 2280777, 6842331, 20526993]

約数ペア:

[(1, 20526993), (3, 6842331), (9, 2280777), (27, 760259), (239, 85887), (717, 28629), (2151, 9543), (3181, 6453)]