20205978768

素因数分解:

$2^4\times 3^6\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:849

約数の個数: 280

約数和(自身を含む): 61900175040

約数和(自身を除く): 41694196272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 109, 138, 144, 162, 184, 207, 216, 218, 243, 276, 324, 327, 368, 414, 432, 436, 486, 552, 621, 648, 654, 691, 729, 828, 872, 972, 981, 1104, 1242, 1296, 1308, 1382, 1458, 1656, 1744, 1863, 1944, 1962, 2073, 2484, 2507, 2616, 2764, 2916, 2943, 3312, 3726, 3888, 3924, 4146, 4968, 5014, 5232, 5528, 5589, 5832, 5886, 6219, 7452, 7521, 7848, 8292, 8829, 9936, 10028, 11056, 11178, 11664, 11772, 12438, 14904, 15042, 15696, 15893, 16584, 16767, 17658, 18657, 20056, 22356, 22563, 23544, 24876, 26487, 29808, 30084, 31786, 33168, 33534, 35316, 37314, 40112, 44712, 45126, 47088, 47679, 49752, 52974, 55971, 60168, 63572, 67068, 67689, 70632, 74628, 75319, 79461, 89424, 90252, 95358, 99504, 105948, 111942, 120336, 127144, 134136, 135378, 141264, 143037, 149256, 150638, 158922, 167913, 180504, 190716, 203067, 211896, 223884, 225957, 254288, 268272, 270756, 286074, 298512, 301276, 317844, 335826, 361008, 381432, 406134, 423792, 429111, 447768, 451914, 503739, 541512, 572148, 602552, 609201, 635688, 671652, 677871, 762864, 812268, 858222, 895536, 903828, 1007478, 1083024, 1144296, 1205104, 1218402, 1271376, 1287333, 1343304, 1355742, 1624536, 1716444, 1732337, 1807656, 1827603, 2014956, 2033613, 2288592, 2436804, 2574666, 2686608, 2711484, 3249072, 3432888, 3464674, 3615312, 3655206, 3861999, 4029912, 4067226, 4873608, 5149332, 5197011, 5422968, 6100839, 6865776, 6929348, 7310412, 7723998, 8059824, 8134452, 9747216, 10298664, 10394022, 10845936, 11585997, 12201678, 13858696, 14620824, 15447996, 15591033, 16268904, 18302517, 20597328, 20788044, 23171994, 24403356, 27717392, 29241648, 30895992, 31182066, 32537808, 36605034, 41576088, 46343988, 46773099, 48806712, 54907551, 61791984, 62364132, 73210068, 83152176, 92687976, 93546198, 97613424, 109815102, 124728264, 140319297, 146420136, 185375952, 187092396, 219630204, 249456528, 280638594, 292840272, 374184792, 420957891, 439260408, 561277188, 748369584, 841915782, 878520816, 1122554376, 1262873673, 1683831564, 2245108752, 2525747346, 3367663128, 5051494692, 6735326256, 10102989384, 20205978768]

約数ペア:

[(1, 20205978768), (2, 10102989384), (3, 6735326256), (4, 5051494692), (6, 3367663128), (8, 2525747346), (9, 2245108752), (12, 1683831564), (16, 1262873673), (18, 1122554376), (23, 878520816), (24, 841915782), (27, 748369584), (36, 561277188), (46, 439260408), (48, 420957891), (54, 374184792), (69, 292840272), (72, 280638594), (81, 249456528), (92, 219630204), (108, 187092396), (109, 185375952), (138, 146420136), (144, 140319297), (162, 124728264), (184, 109815102), (207, 97613424), (216, 93546198), (218, 92687976), (243, 83152176), (276, 73210068), (324, 62364132), (327, 61791984), (368, 54907551), (414, 48806712), (432, 46773099), (436, 46343988), (486, 41576088), (552, 36605034), (621, 32537808), (648, 31182066), (654, 30895992), (691, 29241648), (729, 27717392), (828, 24403356), (872, 23171994), (972, 20788044), (981, 20597328), (1104, 18302517), (1242, 16268904), (1296, 15591033), (1308, 15447996), (1382, 14620824), (1458, 13858696), (1656, 12201678), (1744, 11585997), (1863, 10845936), (1944, 10394022), (1962, 10298664), (2073, 9747216), (2484, 8134452), (2507, 8059824), (2616, 7723998), (2764, 7310412), (2916, 6929348), (2943, 6865776), (3312, 6100839), (3726, 5422968), (3888, 5197011), (3924, 5149332), (4146, 4873608), (4968, 4067226), (5014, 4029912), (5232, 3861999), (5528, 3655206), (5589, 3615312), (5832, 3464674), (5886, 3432888), (6219, 3249072), (7452, 2711484), (7521, 2686608), (7848, 2574666), (8292, 2436804), (8829, 2288592), (9936, 2033613), (10028, 2014956), (11056, 1827603), (11178, 1807656), (11664, 1732337), (11772, 1716444), (12438, 1624536), (14904, 1355742), (15042, 1343304), (15696, 1287333), (15893, 1271376), (16584, 1218402), (16767, 1205104), (17658, 1144296), (18657, 1083024), (20056, 1007478), (22356, 903828), (22563, 895536), (23544, 858222), (24876, 812268), (26487, 762864), (29808, 677871), (30084, 671652), (31786, 635688), (33168, 609201), (33534, 602552), (35316, 572148), (37314, 541512), (40112, 503739), (44712, 451914), (45126, 447768), (47088, 429111), (47679, 423792), (49752, 406134), (52974, 381432), (55971, 361008), (60168, 335826), (63572, 317844), (67068, 301276), (67689, 298512), (70632, 286074), (74628, 270756), (75319, 268272), (79461, 254288), (89424, 225957), (90252, 223884), (95358, 211896), (99504, 203067), (105948, 190716), (111942, 180504), (120336, 167913), (127144, 158922), (134136, 150638), (135378, 149256), (141264, 143037)]