20805288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2174

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 39674712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 59, 84, 118, 168, 177, 236, 354, 413, 472, 708, 826, 1239, 1416, 1652, 2099, 2478, 3304, 4198, 4956, 6297, 8396, 9912, 12594, 14693, 16792, 25188, 29386, 44079, 50376, 58772, 88158, 117544, 123841, 176316, 247682, 352632, 371523, 495364, 743046, 866887, 990728, 1486092, 1733774, 2600661, 2972184, 3467548, 5201322, 6935096, 10402644, 20805288]

約数ペア:

[(1, 20805288), (2, 10402644), (3, 6935096), (4, 5201322), (6, 3467548), (7, 2972184), (8, 2600661), (12, 1733774), (14, 1486092), (21, 990728), (24, 866887), (28, 743046), (42, 495364), (56, 371523), (59, 352632), (84, 247682), (118, 176316), (168, 123841), (177, 117544), (236, 88158), (354, 58772), (413, 50376), (472, 44079), (708, 29386), (826, 25188), (1239, 16792), (1416, 14693), (1652, 12594), (2099, 9912), (2478, 8396), (3304, 6297), (4198, 4956)]