20963712

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:744

約数の個数: 128

約数和(自身を含む): 69523200

約数和(自身を除く): 48559488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 704, 709, 896, 924, 1056, 1232, 1344, 1408, 1418, 1848, 2112, 2127, 2464, 2688, 2836, 3696, 4224, 4254, 4928, 4963, 5672, 7392, 7799, 8508, 9856, 9926, 11344, 14784, 14889, 15598, 17016, 19852, 22688, 23397, 29568, 29778, 31196, 34032, 39704, 45376, 46794, 54593, 59556, 62392, 68064, 79408, 90752, 93588, 109186, 119112, 124784, 136128, 158816, 163779, 187176, 218372, 238224, 249568, 272256, 317632, 327558, 374352, 436744, 476448, 499136, 635264, 655116, 748704, 873488, 952896, 998272, 1310232, 1497408, 1746976, 1905792, 2620464, 2994816, 3493952, 5240928, 6987904, 10481856, 20963712]

約数ペア:

[(1, 20963712), (2, 10481856), (3, 6987904), (4, 5240928), (6, 3493952), (7, 2994816), (8, 2620464), (11, 1905792), (12, 1746976), (14, 1497408), (16, 1310232), (21, 998272), (22, 952896), (24, 873488), (28, 748704), (32, 655116), (33, 635264), (42, 499136), (44, 476448), (48, 436744), (56, 374352), (64, 327558), (66, 317632), (77, 272256), (84, 249568), (88, 238224), (96, 218372), (112, 187176), (128, 163779), (132, 158816), (154, 136128), (168, 124784), (176, 119112), (192, 109186), (224, 93588), (231, 90752), (264, 79408), (308, 68064), (336, 62392), (352, 59556), (384, 54593), (448, 46794), (462, 45376), (528, 39704), (616, 34032), (672, 31196), (704, 29778), (709, 29568), (896, 23397), (924, 22688), (1056, 19852), (1232, 17016), (1344, 15598), (1408, 14889), (1418, 14784), (1848, 11344), (2112, 9926), (2127, 9856), (2464, 8508), (2688, 7799), (2836, 7392), (3696, 5672), (4224, 4963), (4254, 4928)]