20195569737

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16871821}}^1$

素因数の和:16871853

約数の個数: 24

約数和(自身を含む): 35093389760

約数和(自身を除く): 14897820023

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16871821, 50615463, 118102747, 151846389, 320564599, 354308241, 961693797, 1062924723, 2243952193, 2885081391, 6731856579, 20195569737]

約数ペア:

[(1, 20195569737), (3, 6731856579), (7, 2885081391), (9, 2243952193), (19, 1062924723), (21, 961693797), (57, 354308241), (63, 320564599), (133, 151846389), (171, 118102747), (399, 50615463), (1197, 16871821)]