20552433

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{32779}}^1$

素因数の和:32812

約数の個数: 16

約数和(自身を含む): 31468800

約数和(自身を除く): 10916367

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 32779, 98337, 360569, 622801, 1081707, 1868403, 6850811, 20552433]

約数ペア:

[(1, 20552433), (3, 6850811), (11, 1868403), (19, 1081707), (33, 622801), (57, 360569), (209, 98337), (627, 32779)]