20889297

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16231}}^1$

素因数の和:16261

約数の個数: 24

約数和(自身を含む): 35450688

約数和(自身を除く): 14561391

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16231, 48693, 146079, 178541, 211003, 535623, 633009, 1606869, 1899027, 2321033, 6963099, 20889297]

約数ペア:

[(1, 20889297), (3, 6963099), (9, 2321033), (11, 1899027), (13, 1606869), (33, 633009), (39, 535623), (99, 211003), (117, 178541), (143, 146079), (429, 48693), (1287, 16231)]