20145128841

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{3907}}^1$

素因数の和:4000

約数の個数: 72

約数和(自身を含む): 32935529760

約数和(自身を除く): 12790400919

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 361, 437, 513, 529, 621, 1083, 1311, 1587, 3249, 3907, 3933, 4761, 8303, 9747, 10051, 11721, 11799, 14283, 24909, 30153, 35163, 74233, 74727, 89861, 90459, 105489, 190969, 222699, 224181, 269583, 271377, 572907, 668097, 808749, 1410427, 1707359, 1718721, 2004291, 2066803, 2426247, 4231281, 5122077, 5156163, 6200409, 12693843, 15366231, 18601227, 32439821, 38081529, 39269257, 46098693, 55803681, 97319463, 117807771, 291958389, 353423313, 746115883, 875875167, 1060269939, 2238347649, 6715042947, 20145128841]

約数ペア:

[(1, 20145128841), (3, 6715042947), (9, 2238347649), (19, 1060269939), (23, 875875167), (27, 746115883), (57, 353423313), (69, 291958389), (171, 117807771), (207, 97319463), (361, 55803681), (437, 46098693), (513, 39269257), (529, 38081529), (621, 32439821), (1083, 18601227), (1311, 15366231), (1587, 12693843), (3249, 6200409), (3907, 5156163), (3933, 5122077), (4761, 4231281), (8303, 2426247), (9747, 2066803), (10051, 2004291), (11721, 1718721), (11799, 1707359), (14283, 1410427), (24909, 808749), (30153, 668097), (35163, 572907), (74233, 271377), (74727, 269583), (89861, 224181), (90459, 222699), (105489, 190969)]