20520897008639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3191}}^1\times {\mathrm{3105199}}^1$

素因数の和:3108518

約数の個数: 16

約数和(自身を含む): 21805956480000

約数和(自身を除く): 1285059471361

約数列:

[1, 19, 109, 2071, 3191, 60629, 347819, 3105199, 6608561, 58998781, 338466691, 6430867129, 9908690009, 188265110171, 1080047210981, 20520897008639]

約数ペア:

[(1, 20520897008639), (19, 1080047210981), (109, 188265110171), (2071, 9908690009), (3191, 6430867129), (60629, 338466691), (347819, 58998781), (3105199, 6608561)]