20161971365

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2534503}}^1$

素因数の和:2534588

約数の個数: 16

約数和(自身を含む): 25426144128

約数和(自身を除く): 5264172763

約数列:

[1, 5, 37, 43, 185, 215, 1591, 7955, 2534503, 12672515, 93776611, 108983629, 468883055, 544918145, 4032394273, 20161971365]

約数ペア:

[(1, 20161971365), (5, 4032394273), (37, 544918145), (43, 468883055), (185, 108983629), (215, 93776611), (1591, 12672515), (7955, 2534503)]