20737791

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 31150080

約数和(自身を除く): 10412289

約数列:

[1, 3, 9, 31, 93, 239, 279, 311, 717, 933, 2151, 2799, 7409, 9641, 22227, 28923, 66681, 74329, 86769, 222987, 668961, 2304199, 6912597, 20737791]

約数ペア:

[(1, 20737791), (3, 6912597), (9, 2304199), (31, 668961), (93, 222987), (239, 86769), (279, 74329), (311, 66681), (717, 28923), (933, 22227), (2151, 9641), (2799, 7409)]