20206719

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2503}}^1$

素因数の和:2548

約数の個数: 32

約数和(自身を含む): 33653760

約数和(自身を除く): 13447041

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2503, 2691, 7509, 8073, 22527, 32539, 57569, 67581, 97617, 172707, 292851, 518121, 748397, 878553, 1554363, 2245191, 6735573, 20206719]

約数ペア:

[(1, 20206719), (3, 6735573), (9, 2245191), (13, 1554363), (23, 878553), (27, 748397), (39, 518121), (69, 292851), (117, 172707), (207, 97617), (299, 67581), (351, 57569), (621, 32539), (897, 22527), (2503, 8073), (2691, 7509)]