20782449

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3313}}^1$

素因数の和:3377

約数の個数: 24

約数和(自身を含む): 32569992

約数和(自身を除く): 11787543

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3313, 6273, 9939, 29817, 56321, 135833, 168963, 407499, 506889, 1222497, 2309161, 6927483, 20782449]

約数ペア:

[(1, 20782449), (3, 6927483), (9, 2309161), (17, 1222497), (41, 506889), (51, 407499), (123, 168963), (153, 135833), (369, 56321), (697, 29817), (2091, 9939), (3313, 6273)]