20481696

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 108

約数和(自身を含む): 61783722

約数和(自身を除く): 41302026

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 197, 228, 288, 304, 342, 361, 394, 456, 591, 608, 684, 722, 788, 912, 1083, 1182, 1368, 1444, 1576, 1773, 1824, 2166, 2364, 2736, 2888, 3152, 3249, 3546, 3743, 4332, 4728, 5472, 5776, 6304, 6498, 7092, 7486, 8664, 9456, 11229, 11552, 12996, 14184, 14972, 17328, 18912, 22458, 25992, 28368, 29944, 33687, 34656, 44916, 51984, 56736, 59888, 67374, 71117, 89832, 103968, 119776, 134748, 142234, 179664, 213351, 269496, 284468, 359328, 426702, 538992, 568936, 640053, 853404, 1077984, 1137872, 1280106, 1706808, 2275744, 2560212, 3413616, 5120424, 6827232, 10240848, 20481696]

約数ペア:

[(1, 20481696), (2, 10240848), (3, 6827232), (4, 5120424), (6, 3413616), (8, 2560212), (9, 2275744), (12, 1706808), (16, 1280106), (18, 1137872), (19, 1077984), (24, 853404), (32, 640053), (36, 568936), (38, 538992), (48, 426702), (57, 359328), (72, 284468), (76, 269496), (96, 213351), (114, 179664), (144, 142234), (152, 134748), (171, 119776), (197, 103968), (228, 89832), (288, 71117), (304, 67374), (342, 59888), (361, 56736), (394, 51984), (456, 44916), (591, 34656), (608, 33687), (684, 29944), (722, 28368), (788, 25992), (912, 22458), (1083, 18912), (1182, 17328), (1368, 14972), (1444, 14184), (1576, 12996), (1773, 11552), (1824, 11229), (2166, 9456), (2364, 8664), (2736, 7486), (2888, 7092), (3152, 6498), (3249, 6304), (3546, 5776), (3743, 5472), (4332, 4728)]