20509344

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 43176096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 59, 68, 71, 72, 96, 102, 118, 136, 142, 144, 153, 177, 204, 213, 236, 272, 284, 288, 306, 354, 408, 426, 472, 531, 544, 568, 612, 639, 708, 816, 852, 944, 1003, 1062, 1136, 1207, 1224, 1278, 1416, 1632, 1704, 1888, 2006, 2124, 2272, 2414, 2448, 2556, 2832, 3009, 3408, 3621, 4012, 4189, 4248, 4828, 4896, 5112, 5664, 6018, 6816, 7242, 8024, 8378, 8496, 9027, 9656, 10224, 10863, 12036, 12567, 14484, 16048, 16756, 16992, 18054, 19312, 20448, 21726, 24072, 25134, 28968, 32096, 33512, 36108, 37701, 38624, 43452, 48144, 50268, 57936, 67024, 71213, 72216, 75402, 86904, 96288, 100536, 115872, 134048, 142426, 144432, 150804, 173808, 201072, 213639, 284852, 288864, 301608, 347616, 402144, 427278, 569704, 603216, 640917, 854556, 1139408, 1206432, 1281834, 1709112, 2278816, 2563668, 3418224, 5127336, 6836448, 10254672, 20509344]

約数ペア:

[(1, 20509344), (2, 10254672), (3, 6836448), (4, 5127336), (6, 3418224), (8, 2563668), (9, 2278816), (12, 1709112), (16, 1281834), (17, 1206432), (18, 1139408), (24, 854556), (32, 640917), (34, 603216), (36, 569704), (48, 427278), (51, 402144), (59, 347616), (68, 301608), (71, 288864), (72, 284852), (96, 213639), (102, 201072), (118, 173808), (136, 150804), (142, 144432), (144, 142426), (153, 134048), (177, 115872), (204, 100536), (213, 96288), (236, 86904), (272, 75402), (284, 72216), (288, 71213), (306, 67024), (354, 57936), (408, 50268), (426, 48144), (472, 43452), (531, 38624), (544, 37701), (568, 36108), (612, 33512), (639, 32096), (708, 28968), (816, 25134), (852, 24072), (944, 21726), (1003, 20448), (1062, 19312), (1136, 18054), (1207, 16992), (1224, 16756), (1278, 16048), (1416, 14484), (1632, 12567), (1704, 12036), (1888, 10863), (2006, 10224), (2124, 9656), (2272, 9027), (2414, 8496), (2448, 8378), (2556, 8024), (2832, 7242), (3009, 6816), (3408, 6018), (3621, 5664), (4012, 5112), (4189, 4896), (4248, 4828)]