20111794785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{811123}}^1$

素因数の和:811182

約数の個数: 48

約数和(自身を含む): 37960603200

約数和(自身を除く): 17848808415

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 4959, 8265, 24795, 811123, 2433369, 4055615, 7300107, 12166845, 15411337, 23522567, 36500535, 46234011, 70567701, 77056685, 117612835, 138702033, 211703103, 231170055, 352838505, 446928773, 693510165, 1058515515, 1340786319, 2234643865, 4022358957, 6703931595, 20111794785]

約数ペア:

[(1, 20111794785), (3, 6703931595), (5, 4022358957), (9, 2234643865), (15, 1340786319), (19, 1058515515), (29, 693510165), (45, 446928773), (57, 352838505), (87, 231170055), (95, 211703103), (145, 138702033), (171, 117612835), (261, 77056685), (285, 70567701), (435, 46234011), (551, 36500535), (855, 23522567), (1305, 15411337), (1653, 12166845), (2755, 7300107), (4959, 4055615), (8265, 2433369), (24795, 811123)]