20891136

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 45890304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 64, 67, 84, 87, 96, 112, 116, 128, 134, 168, 174, 192, 201, 203, 224, 232, 256, 268, 336, 348, 384, 402, 406, 448, 464, 469, 512, 536, 609, 672, 696, 768, 804, 812, 896, 928, 938, 1072, 1218, 1344, 1392, 1407, 1536, 1608, 1624, 1792, 1856, 1876, 1943, 2144, 2436, 2688, 2784, 2814, 3216, 3248, 3584, 3712, 3752, 3886, 4288, 4872, 5376, 5568, 5628, 5829, 6432, 6496, 7424, 7504, 7772, 8576, 9744, 10752, 11136, 11256, 11658, 12864, 12992, 13601, 14848, 15008, 15544, 17152, 19488, 22272, 22512, 23316, 25728, 25984, 27202, 30016, 31088, 34304, 38976, 40803, 44544, 45024, 46632, 51456, 51968, 54404, 60032, 62176, 77952, 81606, 90048, 93264, 102912, 103936, 108808, 120064, 124352, 155904, 163212, 180096, 186528, 217616, 240128, 248704, 311808, 326424, 360192, 373056, 435232, 497408, 652848, 720384, 746112, 870464, 994816, 1305696, 1492224, 1740928, 2611392, 2984448, 3481856, 5222784, 6963712, 10445568, 20891136]

約数ペア:

[(1, 20891136), (2, 10445568), (3, 6963712), (4, 5222784), (6, 3481856), (7, 2984448), (8, 2611392), (12, 1740928), (14, 1492224), (16, 1305696), (21, 994816), (24, 870464), (28, 746112), (29, 720384), (32, 652848), (42, 497408), (48, 435232), (56, 373056), (58, 360192), (64, 326424), (67, 311808), (84, 248704), (87, 240128), (96, 217616), (112, 186528), (116, 180096), (128, 163212), (134, 155904), (168, 124352), (174, 120064), (192, 108808), (201, 103936), (203, 102912), (224, 93264), (232, 90048), (256, 81606), (268, 77952), (336, 62176), (348, 60032), (384, 54404), (402, 51968), (406, 51456), (448, 46632), (464, 45024), (469, 44544), (512, 40803), (536, 38976), (609, 34304), (672, 31088), (696, 30016), (768, 27202), (804, 25984), (812, 25728), (896, 23316), (928, 22512), (938, 22272), (1072, 19488), (1218, 17152), (1344, 15544), (1392, 15008), (1407, 14848), (1536, 13601), (1608, 12992), (1624, 12864), (1792, 11658), (1856, 11256), (1876, 11136), (1943, 10752), (2144, 9744), (2436, 8576), (2688, 7772), (2784, 7504), (2814, 7424), (3216, 6496), (3248, 6432), (3584, 5829), (3712, 5628), (3752, 5568), (3886, 5376), (4288, 4872)]