20217202389

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{664799}}^1$

素因数の和:664945

約数の個数: 24

約数和(自身を含む): 30421248000

約数和(自身を除く): 10204045611

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 981, 3379, 10137, 30411, 664799, 1994397, 5983191, 20608769, 61826307, 72463091, 185478921, 217389273, 652167819, 2246355821, 6739067463, 20217202389]

約数ペア:

[(1, 20217202389), (3, 6739067463), (9, 2246355821), (31, 652167819), (93, 217389273), (109, 185478921), (279, 72463091), (327, 61826307), (981, 20608769), (3379, 5983191), (10137, 1994397), (30411, 664799)]