20768194620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115378859}}^1$

素因数の和:115378874

約数の個数: 36

約数和(自身を含む): 62996857560

約数和(自身を除く): 42228662940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115378859, 230757718, 346136577, 461515436, 576894295, 692273154, 1038409731, 1153788590, 1384546308, 1730682885, 2076819462, 2307577180, 3461365770, 4153638924, 5192048655, 6922731540, 10384097310, 20768194620]

約数ペア:

[(1, 20768194620), (2, 10384097310), (3, 6922731540), (4, 5192048655), (5, 4153638924), (6, 3461365770), (9, 2307577180), (10, 2076819462), (12, 1730682885), (15, 1384546308), (18, 1153788590), (20, 1038409731), (30, 692273154), (36, 576894295), (45, 461515436), (60, 346136577), (90, 230757718), (180, 115378859)]