20368569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5171}}^1$

素因数の和:5288

約数の個数: 16

約数和(自身を含む): 29542464

約数和(自身を除く): 9173895

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5171, 15513, 67223, 201669, 522271, 1566813, 6789523, 20368569]

約数ペア:

[(1, 20368569), (3, 6789523), (13, 1566813), (39, 522271), (101, 201669), (303, 67223), (1313, 15513), (3939, 5171)]