20722296

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 61395840

約数和(自身を除く): 40673544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 67, 84, 98, 134, 147, 168, 196, 201, 263, 268, 294, 392, 402, 469, 526, 536, 588, 789, 804, 938, 1052, 1176, 1407, 1578, 1608, 1841, 1876, 2104, 2814, 3156, 3283, 3682, 3752, 5523, 5628, 6312, 6566, 7364, 9849, 11046, 11256, 12887, 13132, 14728, 17621, 19698, 22092, 25774, 26264, 35242, 38661, 39396, 44184, 51548, 52863, 70484, 77322, 78792, 103096, 105726, 123347, 140968, 154644, 211452, 246694, 309288, 370041, 422904, 493388, 740082, 863429, 986776, 1480164, 1726858, 2590287, 2960328, 3453716, 5180574, 6907432, 10361148, 20722296]

約数ペア:

[(1, 20722296), (2, 10361148), (3, 6907432), (4, 5180574), (6, 3453716), (7, 2960328), (8, 2590287), (12, 1726858), (14, 1480164), (21, 986776), (24, 863429), (28, 740082), (42, 493388), (49, 422904), (56, 370041), (67, 309288), (84, 246694), (98, 211452), (134, 154644), (147, 140968), (168, 123347), (196, 105726), (201, 103096), (263, 78792), (268, 77322), (294, 70484), (392, 52863), (402, 51548), (469, 44184), (526, 39396), (536, 38661), (588, 35242), (789, 26264), (804, 25774), (938, 22092), (1052, 19698), (1176, 17621), (1407, 14728), (1578, 13132), (1608, 12887), (1841, 11256), (1876, 11046), (2104, 9849), (2814, 7364), (3156, 6566), (3283, 6312), (3682, 5628), (3752, 5523)]