20560520

素因数分解:

$2^3\times 5^1\times {\mathrm{514013}}^1$

素因数の和:514024

約数の個数: 16

約数和(自身を含む): 46261260

約数和(自身を除く): 25700740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 514013, 1028026, 2056052, 2570065, 4112104, 5140130, 10280260, 20560520]

約数ペア:

[(1, 20560520), (2, 10280260), (4, 5140130), (5, 4112104), (8, 2570065), (10, 2056052), (20, 1028026), (40, 514013)]