20428255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4801}}^1$

素因数の和:4866

約数の個数: 16

約数和(自身を含む): 26276544

約数和(自身を除く): 5848289

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4801, 24005, 110423, 177637, 552115, 888185, 4085651, 20428255]

約数ペア:

[(1, 20428255), (5, 4085651), (23, 888185), (37, 552115), (115, 177637), (185, 110423), (851, 24005), (4255, 4801)]