20599320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 71539200

約数和(自身を除く): 50939880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 179, 210, 274, 280, 358, 411, 420, 537, 548, 685, 716, 822, 840, 895, 959, 1074, 1096, 1253, 1370, 1432, 1644, 1790, 1918, 2055, 2148, 2506, 2685, 2740, 2877, 3288, 3580, 3759, 3836, 4110, 4296, 4795, 5012, 5370, 5480, 5754, 6265, 7160, 7518, 7672, 8220, 9590, 10024, 10740, 11508, 12530, 14385, 15036, 16440, 18795, 19180, 21480, 23016, 24523, 25060, 28770, 30072, 37590, 38360, 49046, 50120, 57540, 73569, 75180, 98092, 115080, 122615, 147138, 150360, 171661, 196184, 245230, 294276, 343322, 367845, 490460, 514983, 588552, 686644, 735690, 858305, 980920, 1029966, 1373288, 1471380, 1716610, 2059932, 2574915, 2942760, 3433220, 4119864, 5149830, 6866440, 10299660, 20599320]

約数ペア:

[(1, 20599320), (2, 10299660), (3, 6866440), (4, 5149830), (5, 4119864), (6, 3433220), (7, 2942760), (8, 2574915), (10, 2059932), (12, 1716610), (14, 1471380), (15, 1373288), (20, 1029966), (21, 980920), (24, 858305), (28, 735690), (30, 686644), (35, 588552), (40, 514983), (42, 490460), (56, 367845), (60, 343322), (70, 294276), (84, 245230), (105, 196184), (120, 171661), (137, 150360), (140, 147138), (168, 122615), (179, 115080), (210, 98092), (274, 75180), (280, 73569), (358, 57540), (411, 50120), (420, 49046), (537, 38360), (548, 37590), (685, 30072), (716, 28770), (822, 25060), (840, 24523), (895, 23016), (959, 21480), (1074, 19180), (1096, 18795), (1253, 16440), (1370, 15036), (1432, 14385), (1644, 12530), (1790, 11508), (1918, 10740), (2055, 10024), (2148, 9590), (2506, 8220), (2685, 7672), (2740, 7518), (2877, 7160), (3288, 6265), (3580, 5754), (3759, 5480), (3836, 5370), (4110, 5012), (4296, 4795)]