20177767568

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3319}}^1$

素因数の和:3485

約数の個数: 160

約数和(自身を含む): 49322557440

約数和(自身を除く): 29144789872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 103, 112, 119, 124, 136, 206, 217, 238, 248, 272, 412, 434, 476, 496, 527, 721, 824, 868, 952, 1054, 1442, 1648, 1736, 1751, 1904, 2108, 2884, 3193, 3319, 3472, 3502, 3689, 4216, 5768, 6386, 6638, 7004, 7378, 8432, 11536, 12257, 12772, 13276, 14008, 14756, 22351, 23233, 24514, 25544, 26552, 28016, 29512, 44702, 46466, 49028, 51088, 53104, 54281, 56423, 59024, 89404, 92932, 98056, 102889, 108562, 112846, 178808, 185864, 196112, 205778, 217124, 225692, 341857, 357616, 371728, 379967, 394961, 411556, 434248, 451384, 683714, 720223, 759934, 789922, 823112, 868496, 902768, 1367428, 1440446, 1519868, 1579844, 1646224, 1749113, 2392999, 2734856, 2880892, 3039736, 3159688, 3498226, 4785998, 5469712, 5761784, 5811569, 6079472, 6319376, 6996452, 9571996, 10597567, 11523568, 11623138, 12243791, 13992904, 19143992, 21195134, 23246276, 24487582, 27985808, 38287984, 40680983, 42390268, 46492552, 48975164, 74182969, 81361966, 84780536, 92985104, 97950328, 148365938, 162723932, 169561072, 180158639, 195900656, 296731876, 325447864, 360317278, 593463752, 650895728, 720634556, 1186927504, 1261110473, 1441269112, 2522220946, 2882538224, 5044441892, 10088883784, 20177767568]

約数ペア:

[(1, 20177767568), (2, 10088883784), (4, 5044441892), (7, 2882538224), (8, 2522220946), (14, 1441269112), (16, 1261110473), (17, 1186927504), (28, 720634556), (31, 650895728), (34, 593463752), (56, 360317278), (62, 325447864), (68, 296731876), (103, 195900656), (112, 180158639), (119, 169561072), (124, 162723932), (136, 148365938), (206, 97950328), (217, 92985104), (238, 84780536), (248, 81361966), (272, 74182969), (412, 48975164), (434, 46492552), (476, 42390268), (496, 40680983), (527, 38287984), (721, 27985808), (824, 24487582), (868, 23246276), (952, 21195134), (1054, 19143992), (1442, 13992904), (1648, 12243791), (1736, 11623138), (1751, 11523568), (1904, 10597567), (2108, 9571996), (2884, 6996452), (3193, 6319376), (3319, 6079472), (3472, 5811569), (3502, 5761784), (3689, 5469712), (4216, 4785998), (5768, 3498226), (6386, 3159688), (6638, 3039736), (7004, 2880892), (7378, 2734856), (8432, 2392999), (11536, 1749113), (12257, 1646224), (12772, 1579844), (13276, 1519868), (14008, 1440446), (14756, 1367428), (22351, 902768), (23233, 868496), (24514, 823112), (25544, 789922), (26552, 759934), (28016, 720223), (29512, 683714), (44702, 451384), (46466, 434248), (49028, 411556), (51088, 394961), (53104, 379967), (54281, 371728), (56423, 357616), (59024, 341857), (89404, 225692), (92932, 217124), (98056, 205778), (102889, 196112), (108562, 185864), (112846, 178808)]