20177793204

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{881}}^1$

素因数の和:1254

約数の個数: 144

約数和(自身を含む): 52841932416

約数和(自身を除く): 32664139212

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 311, 323, 361, 622, 646, 722, 881, 933, 969, 1083, 1244, 1292, 1444, 1762, 1866, 1938, 2166, 2643, 3524, 3732, 3876, 4332, 5286, 5287, 5909, 6137, 10572, 10574, 11818, 12274, 14977, 15861, 16739, 17727, 18411, 21148, 23636, 24548, 29954, 31722, 33478, 35454, 36822, 44931, 50217, 59908, 63444, 66956, 70908, 73644, 89862, 100434, 100453, 112271, 179724, 200868, 200906, 224542, 273991, 284563, 301359, 318041, 336813, 401812, 449084, 547982, 569126, 602718, 636082, 673626, 821973, 853689, 954123, 1095964, 1138252, 1205436, 1272164, 1347252, 1643946, 1707378, 1908246, 1908607, 3287892, 3414756, 3816492, 3817214, 4657847, 5205829, 5406697, 5725821, 7634428, 9315694, 10411658, 10813394, 11451642, 13973541, 15617487, 16220091, 18631388, 20823316, 21626788, 22903284, 27947082, 31234974, 32440182, 55894164, 62469948, 64880364, 88499093, 98910751, 176998186, 197821502, 265497279, 296732253, 353996372, 395643004, 530994558, 593464506, 1061989116, 1186929012, 1681482767, 3362965534, 5044448301, 6725931068, 10088896602, 20177793204]

約数ペア:

[(1, 20177793204), (2, 10088896602), (3, 6725931068), (4, 5044448301), (6, 3362965534), (12, 1681482767), (17, 1186929012), (19, 1061989116), (34, 593464506), (38, 530994558), (51, 395643004), (57, 353996372), (68, 296732253), (76, 265497279), (102, 197821502), (114, 176998186), (204, 98910751), (228, 88499093), (311, 64880364), (323, 62469948), (361, 55894164), (622, 32440182), (646, 31234974), (722, 27947082), (881, 22903284), (933, 21626788), (969, 20823316), (1083, 18631388), (1244, 16220091), (1292, 15617487), (1444, 13973541), (1762, 11451642), (1866, 10813394), (1938, 10411658), (2166, 9315694), (2643, 7634428), (3524, 5725821), (3732, 5406697), (3876, 5205829), (4332, 4657847), (5286, 3817214), (5287, 3816492), (5909, 3414756), (6137, 3287892), (10572, 1908607), (10574, 1908246), (11818, 1707378), (12274, 1643946), (14977, 1347252), (15861, 1272164), (16739, 1205436), (17727, 1138252), (18411, 1095964), (21148, 954123), (23636, 853689), (24548, 821973), (29954, 673626), (31722, 636082), (33478, 602718), (35454, 569126), (36822, 547982), (44931, 449084), (50217, 401812), (59908, 336813), (63444, 318041), (66956, 301359), (70908, 284563), (73644, 273991), (89862, 224542), (100434, 200906), (100453, 200868), (112271, 179724)]