20741616

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{19}}^3$

素因数の和:81

約数の個数: 160

約数和(自身を含む): 71820800

約数和(自身を除く): 51079184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 84, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 228, 252, 266, 304, 336, 342, 361, 378, 399, 432, 456, 504, 513, 532, 684, 722, 756, 798, 912, 1008, 1026, 1064, 1083, 1197, 1368, 1444, 1512, 1596, 2052, 2128, 2166, 2394, 2527, 2736, 2888, 3024, 3192, 3249, 3591, 4104, 4332, 4788, 5054, 5776, 6384, 6498, 6859, 7182, 7581, 8208, 8664, 9576, 9747, 10108, 12996, 13718, 14364, 15162, 17328, 19152, 19494, 20216, 20577, 22743, 25992, 27436, 28728, 30324, 38988, 40432, 41154, 45486, 48013, 51984, 54872, 57456, 60648, 61731, 68229, 77976, 82308, 90972, 96026, 109744, 121296, 123462, 136458, 144039, 155952, 164616, 181944, 185193, 192052, 246924, 272916, 288078, 329232, 363888, 370386, 384104, 432117, 493848, 545832, 576156, 740772, 768208, 864234, 987696, 1091664, 1152312, 1296351, 1481544, 1728468, 2304624, 2592702, 2963088, 3456936, 5185404, 6913872, 10370808, 20741616]

約数ペア:

[(1, 20741616), (2, 10370808), (3, 6913872), (4, 5185404), (6, 3456936), (7, 2963088), (8, 2592702), (9, 2304624), (12, 1728468), (14, 1481544), (16, 1296351), (18, 1152312), (19, 1091664), (21, 987696), (24, 864234), (27, 768208), (28, 740772), (36, 576156), (38, 545832), (42, 493848), (48, 432117), (54, 384104), (56, 370386), (57, 363888), (63, 329232), (72, 288078), (76, 272916), (84, 246924), (108, 192052), (112, 185193), (114, 181944), (126, 164616), (133, 155952), (144, 144039), (152, 136458), (168, 123462), (171, 121296), (189, 109744), (216, 96026), (228, 90972), (252, 82308), (266, 77976), (304, 68229), (336, 61731), (342, 60648), (361, 57456), (378, 54872), (399, 51984), (432, 48013), (456, 45486), (504, 41154), (513, 40432), (532, 38988), (684, 30324), (722, 28728), (756, 27436), (798, 25992), (912, 22743), (1008, 20577), (1026, 20216), (1064, 19494), (1083, 19152), (1197, 17328), (1368, 15162), (1444, 14364), (1512, 13718), (1596, 12996), (2052, 10108), (2128, 9747), (2166, 9576), (2394, 8664), (2527, 8208), (2736, 7581), (2888, 7182), (3024, 6859), (3192, 6498), (3249, 6384), (3591, 5776), (4104, 5054), (4332, 4788)]