20484324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2803}}^1$

素因数の和:2849

約数の個数: 72

約数和(自身を含む): 61239360

約数和(自身を除く): 40755036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2803, 3654, 5606, 7308, 8409, 11212, 16818, 19621, 25227, 33636, 39242, 50454, 58863, 78484, 81287, 100908, 117726, 162574, 176589, 235452, 243861, 325148, 353178, 487722, 569009, 706356, 731583, 975444, 1138018, 1463166, 1707027, 2276036, 2926332, 3414054, 5121081, 6828108, 10242162, 20484324]

約数ペア:

[(1, 20484324), (2, 10242162), (3, 6828108), (4, 5121081), (6, 3414054), (7, 2926332), (9, 2276036), (12, 1707027), (14, 1463166), (18, 1138018), (21, 975444), (28, 731583), (29, 706356), (36, 569009), (42, 487722), (58, 353178), (63, 325148), (84, 243861), (87, 235452), (116, 176589), (126, 162574), (174, 117726), (203, 100908), (252, 81287), (261, 78484), (348, 58863), (406, 50454), (522, 39242), (609, 33636), (812, 25227), (1044, 19621), (1218, 16818), (1827, 11212), (2436, 8409), (2803, 7308), (3654, 5606)]