20809152

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 168

約数和(自身を含む): 73594976

約数和(自身を除く): 52785824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 192, 208, 224, 234, 252, 273, 288, 312, 336, 364, 397, 416, 448, 468, 504, 546, 576, 624, 672, 728, 794, 819, 832, 936, 1008, 1092, 1191, 1248, 1344, 1456, 1588, 1638, 1872, 2016, 2184, 2382, 2496, 2779, 2912, 3176, 3276, 3573, 3744, 4032, 4368, 4764, 5161, 5558, 5824, 6352, 6552, 7146, 7488, 8337, 8736, 9528, 10322, 11116, 12704, 13104, 14292, 15483, 16674, 17472, 19056, 20644, 22232, 25011, 25408, 26208, 28584, 30966, 33348, 36127, 38112, 41288, 44464, 46449, 50022, 52416, 57168, 61932, 66696, 72254, 76224, 82576, 88928, 92898, 100044, 108381, 114336, 123864, 133392, 144508, 165152, 177856, 185796, 200088, 216762, 228672, 247728, 266784, 289016, 325143, 330304, 371592, 400176, 433524, 495456, 533568, 578032, 650286, 743184, 800352, 867048, 990912, 1156064, 1300572, 1486368, 1600704, 1734096, 2312128, 2601144, 2972736, 3468192, 5202288, 6936384, 10404576, 20809152]

約数ペア:

[(1, 20809152), (2, 10404576), (3, 6936384), (4, 5202288), (6, 3468192), (7, 2972736), (8, 2601144), (9, 2312128), (12, 1734096), (13, 1600704), (14, 1486368), (16, 1300572), (18, 1156064), (21, 990912), (24, 867048), (26, 800352), (28, 743184), (32, 650286), (36, 578032), (39, 533568), (42, 495456), (48, 433524), (52, 400176), (56, 371592), (63, 330304), (64, 325143), (72, 289016), (78, 266784), (84, 247728), (91, 228672), (96, 216762), (104, 200088), (112, 185796), (117, 177856), (126, 165152), (144, 144508), (156, 133392), (168, 123864), (182, 114336), (192, 108381), (208, 100044), (224, 92898), (234, 88928), (252, 82576), (273, 76224), (288, 72254), (312, 66696), (336, 61932), (364, 57168), (397, 52416), (416, 50022), (448, 46449), (468, 44464), (504, 41288), (546, 38112), (576, 36127), (624, 33348), (672, 30966), (728, 28584), (794, 26208), (819, 25408), (832, 25011), (936, 22232), (1008, 20644), (1092, 19056), (1191, 17472), (1248, 16674), (1344, 15483), (1456, 14292), (1588, 13104), (1638, 12704), (1872, 11116), (2016, 10322), (2184, 9528), (2382, 8736), (2496, 8337), (2779, 7488), (2912, 7146), (3176, 6552), (3276, 6352), (3573, 5824), (3744, 5558), (4032, 5161), (4368, 4764)]