20152395

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2927}}^1$

素因数の和:2961

約数の個数: 40

約数和(自身を含む): 38263104

約数和(自身を除く): 18110709

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2927, 6885, 8781, 14635, 26343, 43905, 49759, 79029, 131715, 149277, 237087, 248795, 395145, 447831, 746385, 1185435, 1343493, 2239155, 4030479, 6717465, 20152395]

約数ペア:

[(1, 20152395), (3, 6717465), (5, 4030479), (9, 2239155), (15, 1343493), (17, 1185435), (27, 746385), (45, 447831), (51, 395145), (81, 248795), (85, 237087), (135, 149277), (153, 131715), (255, 79029), (405, 49759), (459, 43905), (765, 26343), (1377, 14635), (2295, 8781), (2927, 6885)]