20570288

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7103}}^1$

素因数の和:7292

約数の個数: 20

約数和(自身を含む): 40080768

約数和(自身を除く): 19510480

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7103, 14206, 28412, 56824, 113648, 1285643, 2571286, 5142572, 10285144, 20570288]

約数ペア:

[(1, 20570288), (2, 10285144), (4, 5142572), (8, 2571286), (16, 1285643), (181, 113648), (362, 56824), (724, 28412), (1448, 14206), (2896, 7103)]