20003193

素因数分解:

$3^4\times 7^1\times {\mathrm{35279}}^1$

素因数の和:35298

約数の個数: 20

約数和(自身を含む): 34151040

約数和(自身を除く): 14147847

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35279, 105837, 246953, 317511, 740859, 952533, 2222577, 2857599, 6667731, 20003193]

約数ペア:

[(1, 20003193), (3, 6667731), (7, 2857599), (9, 2222577), (21, 952533), (27, 740859), (63, 317511), (81, 246953), (189, 105837), (567, 35279)]