20392263

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 32153600

約数和(自身を除く): 11761337

約数列:

[1, 3, 9, 19, 27, 57, 127, 171, 313, 381, 513, 939, 1143, 2413, 2817, 3429, 5947, 7239, 8451, 17841, 21717, 39751, 53523, 65151, 119253, 160569, 357759, 755269, 1073277, 2265807, 6797421, 20392263]

約数ペア:

[(1, 20392263), (3, 6797421), (9, 2265807), (19, 1073277), (27, 755269), (57, 357759), (127, 160569), (171, 119253), (313, 65151), (381, 53523), (513, 39751), (939, 21717), (1143, 17841), (2413, 8451), (2817, 7239), (3429, 5947)]