20796864

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 112

約数和(自身を含む): 61691520

約数和(自身を除く): 40894656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 43, 44, 48, 64, 66, 86, 88, 96, 129, 132, 172, 176, 192, 229, 258, 264, 344, 352, 458, 473, 516, 528, 687, 688, 704, 916, 946, 1032, 1056, 1374, 1376, 1419, 1832, 1892, 2064, 2112, 2519, 2748, 2752, 2838, 3664, 3784, 4128, 5038, 5496, 5676, 7328, 7557, 7568, 8256, 9847, 10076, 10992, 11352, 14656, 15114, 15136, 19694, 20152, 21984, 22704, 29541, 30228, 30272, 39388, 40304, 43968, 45408, 59082, 60456, 78776, 80608, 90816, 108317, 118164, 120912, 157552, 161216, 216634, 236328, 241824, 315104, 324951, 433268, 472656, 483648, 630208, 649902, 866536, 945312, 1299804, 1733072, 1890624, 2599608, 3466144, 5199216, 6932288, 10398432, 20796864]

約数ペア:

[(1, 20796864), (2, 10398432), (3, 6932288), (4, 5199216), (6, 3466144), (8, 2599608), (11, 1890624), (12, 1733072), (16, 1299804), (22, 945312), (24, 866536), (32, 649902), (33, 630208), (43, 483648), (44, 472656), (48, 433268), (64, 324951), (66, 315104), (86, 241824), (88, 236328), (96, 216634), (129, 161216), (132, 157552), (172, 120912), (176, 118164), (192, 108317), (229, 90816), (258, 80608), (264, 78776), (344, 60456), (352, 59082), (458, 45408), (473, 43968), (516, 40304), (528, 39388), (687, 30272), (688, 30228), (704, 29541), (916, 22704), (946, 21984), (1032, 20152), (1056, 19694), (1374, 15136), (1376, 15114), (1419, 14656), (1832, 11352), (1892, 10992), (2064, 10076), (2112, 9847), (2519, 8256), (2748, 7568), (2752, 7557), (2838, 7328), (3664, 5676), (3784, 5496), (4128, 5038)]