20383245

素因数分解:

$3^4\times 5^1\times {\mathrm{50329}}^1$

素因数の和:50346

約数の個数: 20

約数和(自身を含む): 36539580

約数和(自身を除く): 16156335

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50329, 150987, 251645, 452961, 754935, 1358883, 2264805, 4076649, 6794415, 20383245]

約数ペア:

[(1, 20383245), (3, 6794415), (5, 4076649), (9, 2264805), (15, 1358883), (27, 754935), (45, 452961), (81, 251645), (135, 150987), (405, 50329)]