20304768

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 65116800

約数和(自身を除く): 44812032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 23, 24, 32, 33, 38, 44, 46, 48, 57, 64, 66, 69, 76, 88, 92, 96, 114, 121, 128, 132, 138, 152, 176, 184, 192, 209, 228, 242, 253, 264, 276, 304, 352, 363, 368, 384, 418, 437, 456, 484, 506, 528, 552, 608, 627, 704, 726, 736, 759, 836, 874, 912, 968, 1012, 1056, 1104, 1216, 1254, 1311, 1408, 1452, 1472, 1518, 1672, 1748, 1824, 1936, 2024, 2112, 2208, 2299, 2432, 2508, 2622, 2783, 2904, 2944, 3036, 3344, 3496, 3648, 3872, 4048, 4224, 4416, 4598, 4807, 5016, 5244, 5566, 5808, 6072, 6688, 6897, 6992, 7296, 7744, 8096, 8349, 8832, 9196, 9614, 10032, 10488, 11132, 11616, 12144, 13376, 13794, 13984, 14421, 15488, 16192, 16698, 18392, 19228, 20064, 20976, 22264, 23232, 24288, 26752, 27588, 27968, 28842, 32384, 33396, 36784, 38456, 40128, 41952, 44528, 46464, 48576, 52877, 55176, 55936, 57684, 66792, 73568, 76912, 80256, 83904, 89056, 97152, 105754, 110352, 115368, 133584, 147136, 153824, 158631, 167808, 178112, 211508, 220704, 230736, 267168, 294272, 307648, 317262, 356224, 423016, 441408, 461472, 534336, 615296, 634524, 846032, 882816, 922944, 1068672, 1269048, 1692064, 1845888, 2538096, 3384128, 5076192, 6768256, 10152384, 20304768]

約数ペア:

[(1, 20304768), (2, 10152384), (3, 6768256), (4, 5076192), (6, 3384128), (8, 2538096), (11, 1845888), (12, 1692064), (16, 1269048), (19, 1068672), (22, 922944), (23, 882816), (24, 846032), (32, 634524), (33, 615296), (38, 534336), (44, 461472), (46, 441408), (48, 423016), (57, 356224), (64, 317262), (66, 307648), (69, 294272), (76, 267168), (88, 230736), (92, 220704), (96, 211508), (114, 178112), (121, 167808), (128, 158631), (132, 153824), (138, 147136), (152, 133584), (176, 115368), (184, 110352), (192, 105754), (209, 97152), (228, 89056), (242, 83904), (253, 80256), (264, 76912), (276, 73568), (304, 66792), (352, 57684), (363, 55936), (368, 55176), (384, 52877), (418, 48576), (437, 46464), (456, 44528), (484, 41952), (506, 40128), (528, 38456), (552, 36784), (608, 33396), (627, 32384), (704, 28842), (726, 27968), (736, 27588), (759, 26752), (836, 24288), (874, 23232), (912, 22264), (968, 20976), (1012, 20064), (1056, 19228), (1104, 18392), (1216, 16698), (1254, 16192), (1311, 15488), (1408, 14421), (1452, 13984), (1472, 13794), (1518, 13376), (1672, 12144), (1748, 11616), (1824, 11132), (1936, 10488), (2024, 10032), (2112, 9614), (2208, 9196), (2299, 8832), (2432, 8349), (2508, 8096), (2622, 7744), (2783, 7296), (2904, 6992), (2944, 6897), (3036, 6688), (3344, 6072), (3496, 5808), (3648, 5566), (3872, 5244), (4048, 5016), (4224, 4807), (4416, 4598)]