20910069

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6977}}^1$

素因数の和:7026

約数の個数: 20

約数和(自身を含む): 32084844

約数和(自身を除く): 11174775

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6977, 20931, 62793, 188379, 258149, 565137, 774447, 2323341, 6970023, 20910069]

約数ペア:

[(1, 20910069), (3, 6970023), (9, 2323341), (27, 774447), (37, 565137), (81, 258149), (111, 188379), (333, 62793), (999, 20931), (2997, 6977)]