20115013

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 21669120

約数和(自身を除く): 1554107

約数列:

[1, 37, 43, 47, 269, 1591, 1739, 2021, 9953, 11567, 12643, 74777, 427979, 467791, 543649, 20115013]

約数ペア:

[(1, 20115013), (37, 543649), (43, 467791), (47, 427979), (269, 74777), (1591, 12643), (1739, 11567), (2021, 9953)]