20655603

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{607}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 31616000

約数和(自身を除く): 10960397

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 607, 1791, 1821, 3781, 5463, 11343, 11533, 34029, 34599, 103797, 120793, 362379, 1087137, 2295067, 6885201, 20655603]

約数ペア:

[(1, 20655603), (3, 6885201), (9, 2295067), (19, 1087137), (57, 362379), (171, 120793), (199, 103797), (597, 34599), (607, 34029), (1791, 11533), (1821, 11343), (3781, 5463)]