20772543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 10746177

約数列:

[1, 3, 11, 33, 47, 59, 141, 177, 227, 517, 649, 681, 1551, 1947, 2497, 2773, 7491, 8319, 10669, 13393, 30503, 32007, 40179, 91509, 117359, 147323, 352077, 441969, 629471, 1888413, 6924181, 20772543]

約数ペア:

[(1, 20772543), (3, 6924181), (11, 1888413), (33, 629471), (47, 441969), (59, 352077), (141, 147323), (177, 117359), (227, 91509), (517, 40179), (649, 32007), (681, 30503), (1551, 13393), (1947, 10669), (2497, 8319), (2773, 7491)]