20681595

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 42278400

約数和(自身を除く): 21596805

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 733, 855, 1045, 1485, 1881, 2199, 2565, 3135, 3665, 5643, 6597, 8063, 9405, 10995, 13927, 19791, 24189, 28215, 32985, 40315, 41781, 69635, 72567, 98955, 120945, 125343, 153197, 208905, 217701, 362835, 376029, 459591, 626715, 765985, 1088505, 1378773, 1880145, 2297955, 4136319, 6893865, 20681595]

約数ペア:

[(1, 20681595), (3, 6893865), (5, 4136319), (9, 2297955), (11, 1880145), (15, 1378773), (19, 1088505), (27, 765985), (33, 626715), (45, 459591), (55, 376029), (57, 362835), (95, 217701), (99, 208905), (135, 153197), (165, 125343), (171, 120945), (209, 98955), (285, 72567), (297, 69635), (495, 41781), (513, 40315), (627, 32985), (733, 28215), (855, 24189), (1045, 19791), (1485, 13927), (1881, 10995), (2199, 9405), (2565, 8063), (3135, 6597), (3665, 5643)]