20207331

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 29964480

約数和(自身を除く): 9757149

約数列:

[1, 3, 9, 79, 97, 237, 291, 293, 711, 873, 879, 2637, 7663, 22989, 23147, 28421, 68967, 69441, 85263, 208323, 255789, 2245259, 6735777, 20207331]

約数ペア:

[(1, 20207331), (3, 6735777), (9, 2245259), (79, 255789), (97, 208323), (237, 85263), (291, 69441), (293, 68967), (711, 28421), (873, 23147), (879, 22989), (2637, 7663)]