20138039991

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1306223}}^1$

素因数の和:1306803

約数の個数: 16

約数和(自身を含む): 29886405120

約数和(自身を除く): 9748365129

約数列:

[1, 3, 9, 27, 571, 1713, 5139, 15417, 1306223, 3918669, 11756007, 35268021, 745853333, 2237559999, 6712679997, 20138039991]

約数ペア:

[(1, 20138039991), (3, 6712679997), (9, 2237559999), (27, 745853333), (571, 35268021), (1713, 11756007), (5139, 3918669), (15417, 1306223)]