20237787

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 30021888

約数和(自身を除く): 9784101

約数列:

[1, 3, 9, 61, 183, 191, 193, 549, 573, 579, 1719, 1737, 11651, 11773, 34953, 35319, 36863, 104859, 105957, 110589, 331767, 2248643, 6745929, 20237787]

約数ペア:

[(1, 20237787), (3, 6745929), (9, 2248643), (61, 331767), (183, 110589), (191, 105957), (193, 104859), (549, 36863), (573, 35319), (579, 34953), (1719, 11773), (1737, 11651)]