20388672

素因数分解:

$2^6\times 3^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 196

約数和(自身を含む): 66629280

約数和(自身を除く): 46240608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 27, 32, 36, 38, 46, 48, 54, 57, 64, 69, 72, 76, 81, 92, 96, 108, 114, 138, 144, 152, 162, 171, 184, 192, 207, 216, 228, 243, 276, 288, 304, 324, 342, 368, 414, 432, 437, 456, 486, 513, 552, 576, 608, 621, 648, 684, 729, 736, 828, 864, 874, 912, 972, 1026, 1104, 1216, 1242, 1296, 1311, 1368, 1458, 1472, 1539, 1656, 1728, 1748, 1824, 1863, 1944, 2052, 2208, 2484, 2592, 2622, 2736, 2916, 3078, 3312, 3496, 3648, 3726, 3888, 3933, 4104, 4416, 4617, 4968, 5184, 5244, 5472, 5589, 5832, 6156, 6624, 6992, 7452, 7776, 7866, 8208, 9234, 9936, 10488, 10944, 11178, 11664, 11799, 12312, 13248, 13851, 13984, 14904, 15552, 15732, 16416, 16767, 18468, 19872, 20976, 22356, 23328, 23598, 24624, 27702, 27968, 29808, 31464, 32832, 33534, 35397, 36936, 39744, 41952, 44712, 46656, 47196, 49248, 55404, 59616, 62928, 67068, 70794, 73872, 83904, 89424, 94392, 98496, 106191, 110808, 119232, 125856, 134136, 141588, 147744, 178848, 188784, 212382, 221616, 251712, 268272, 283176, 295488, 318573, 357696, 377568, 424764, 443232, 536544, 566352, 637146, 755136, 849528, 886464, 1073088, 1132704, 1274292, 1699056, 2265408, 2548584, 3398112, 5097168, 6796224, 10194336, 20388672]

約数ペア:

[(1, 20388672), (2, 10194336), (3, 6796224), (4, 5097168), (6, 3398112), (8, 2548584), (9, 2265408), (12, 1699056), (16, 1274292), (18, 1132704), (19, 1073088), (23, 886464), (24, 849528), (27, 755136), (32, 637146), (36, 566352), (38, 536544), (46, 443232), (48, 424764), (54, 377568), (57, 357696), (64, 318573), (69, 295488), (72, 283176), (76, 268272), (81, 251712), (92, 221616), (96, 212382), (108, 188784), (114, 178848), (138, 147744), (144, 141588), (152, 134136), (162, 125856), (171, 119232), (184, 110808), (192, 106191), (207, 98496), (216, 94392), (228, 89424), (243, 83904), (276, 73872), (288, 70794), (304, 67068), (324, 62928), (342, 59616), (368, 55404), (414, 49248), (432, 47196), (437, 46656), (456, 44712), (486, 41952), (513, 39744), (552, 36936), (576, 35397), (608, 33534), (621, 32832), (648, 31464), (684, 29808), (729, 27968), (736, 27702), (828, 24624), (864, 23598), (874, 23328), (912, 22356), (972, 20976), (1026, 19872), (1104, 18468), (1216, 16767), (1242, 16416), (1296, 15732), (1311, 15552), (1368, 14904), (1458, 13984), (1472, 13851), (1539, 13248), (1656, 12312), (1728, 11799), (1748, 11664), (1824, 11178), (1863, 10944), (1944, 10488), (2052, 9936), (2208, 9234), (2484, 8208), (2592, 7866), (2622, 7776), (2736, 7452), (2916, 6992), (3078, 6624), (3312, 6156), (3496, 5832), (3648, 5589), (3726, 5472), (3888, 5244), (3933, 5184), (4104, 4968), (4416, 4617)]