20752578

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 192

約数和(自身を含む): 63037440

約数和(自身を除く): 42284862

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 27, 31, 33, 42, 46, 49, 54, 62, 63, 66, 69, 77, 93, 98, 99, 126, 138, 147, 154, 161, 186, 189, 198, 207, 217, 231, 253, 279, 294, 297, 322, 341, 378, 414, 434, 441, 462, 483, 506, 539, 558, 594, 621, 651, 682, 693, 713, 759, 837, 882, 966, 1023, 1078, 1127, 1242, 1302, 1323, 1386, 1426, 1449, 1518, 1519, 1617, 1674, 1771, 1953, 2046, 2079, 2139, 2254, 2277, 2387, 2646, 2898, 3038, 3069, 3234, 3381, 3542, 3906, 4158, 4278, 4347, 4554, 4557, 4774, 4851, 4991, 5313, 5859, 6138, 6417, 6762, 6831, 7161, 7843, 8694, 9114, 9207, 9702, 9982, 10143, 10626, 11718, 12397, 12834, 13662, 13671, 14322, 14553, 14973, 15686, 15939, 16709, 18414, 19251, 20286, 21483, 23529, 24794, 27342, 29106, 29946, 30429, 31878, 33418, 34937, 37191, 38502, 41013, 42966, 44919, 47058, 47817, 50127, 54901, 60858, 64449, 69874, 70587, 74382, 82026, 89838, 95634, 100254, 104811, 109802, 111573, 128898, 134757, 141174, 150381, 164703, 209622, 211761, 223146, 269514, 300762, 314433, 329406, 334719, 384307, 423522, 451143, 494109, 628866, 669438, 768614, 902286, 943299, 988218, 1152921, 1482327, 1886598, 2305842, 2964654, 3458763, 6917526, 10376289, 20752578]

約数ペア:

[(1, 20752578), (2, 10376289), (3, 6917526), (6, 3458763), (7, 2964654), (9, 2305842), (11, 1886598), (14, 1482327), (18, 1152921), (21, 988218), (22, 943299), (23, 902286), (27, 768614), (31, 669438), (33, 628866), (42, 494109), (46, 451143), (49, 423522), (54, 384307), (62, 334719), (63, 329406), (66, 314433), (69, 300762), (77, 269514), (93, 223146), (98, 211761), (99, 209622), (126, 164703), (138, 150381), (147, 141174), (154, 134757), (161, 128898), (186, 111573), (189, 109802), (198, 104811), (207, 100254), (217, 95634), (231, 89838), (253, 82026), (279, 74382), (294, 70587), (297, 69874), (322, 64449), (341, 60858), (378, 54901), (414, 50127), (434, 47817), (441, 47058), (462, 44919), (483, 42966), (506, 41013), (539, 38502), (558, 37191), (594, 34937), (621, 33418), (651, 31878), (682, 30429), (693, 29946), (713, 29106), (759, 27342), (837, 24794), (882, 23529), (966, 21483), (1023, 20286), (1078, 19251), (1127, 18414), (1242, 16709), (1302, 15939), (1323, 15686), (1386, 14973), (1426, 14553), (1449, 14322), (1518, 13671), (1519, 13662), (1617, 12834), (1674, 12397), (1771, 11718), (1953, 10626), (2046, 10143), (2079, 9982), (2139, 9702), (2254, 9207), (2277, 9114), (2387, 8694), (2646, 7843), (2898, 7161), (3038, 6831), (3069, 6762), (3234, 6417), (3381, 6138), (3542, 5859), (3906, 5313), (4158, 4991), (4278, 4851), (4347, 4774), (4554, 4557)]