20873545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54217}}^1$

素因数の和:54240

約数の個数: 16

約数和(自身を含む): 31229568

約数和(自身を除く): 10356023

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54217, 271085, 379519, 596387, 1897595, 2981935, 4174709, 20873545]

約数ペア:

[(1, 20873545), (5, 4174709), (7, 2981935), (11, 1897595), (35, 596387), (55, 379519), (77, 271085), (385, 54217)]