20219476039

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{421}}^2$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 23764202880

約数和(自身を除く): 3544726841

約数列:

[1, 7, 43, 301, 379, 421, 2653, 2947, 16297, 18103, 114079, 126721, 159559, 177241, 1116913, 1240687, 6861037, 7621363, 48027259, 53349541, 67174339, 470220373, 2888496577, 20219476039]

約数ペア:

[(1, 20219476039), (7, 2888496577), (43, 470220373), (301, 67174339), (379, 53349541), (421, 48027259), (2653, 7621363), (2947, 6861037), (16297, 1240687), (18103, 1116913), (114079, 177241), (126721, 159559)]