20007759

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 29000448

約数和(自身を除く): 8992689

約数列:

[1, 3, 17, 47, 51, 141, 289, 491, 799, 867, 1473, 2397, 8347, 13583, 23077, 25041, 40749, 69231, 141899, 392309, 425697, 1176927, 6669253, 20007759]

約数ペア:

[(1, 20007759), (3, 6669253), (17, 1176927), (47, 425697), (51, 392309), (141, 141899), (289, 69231), (491, 40749), (799, 25041), (867, 23077), (1473, 13583), (2397, 8347)]