20393217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10253}}^1$

素因数の和:10289

約数の個数: 24

約数和(自身を含む): 33592104

約数和(自身を除く): 13198887

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10253, 30759, 92277, 133289, 174301, 399867, 522903, 1199601, 1568709, 2265913, 6797739, 20393217]

約数ペア:

[(1, 20393217), (3, 6797739), (9, 2265913), (13, 1568709), (17, 1199601), (39, 522903), (51, 399867), (117, 174301), (153, 133289), (221, 92277), (663, 30759), (1989, 10253)]