20203911504

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{719}}^1$

素因数の和:1258

約数の個数: 240

約数和(自身を含む): 65915066880

約数和(自身を除く): 45711155376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 366, 427, 457, 488, 504, 549, 719, 732, 854, 914, 976, 1008, 1098, 1281, 1371, 1438, 1464, 1708, 1828, 2157, 2196, 2562, 2742, 2876, 2928, 3199, 3416, 3656, 3843, 4113, 4314, 4392, 5033, 5124, 5484, 5752, 6398, 6471, 6832, 7312, 7686, 8226, 8628, 8784, 9597, 10066, 10248, 10968, 11504, 12796, 12942, 15099, 15372, 16452, 17256, 19194, 20132, 20496, 21936, 25592, 25884, 27877, 28791, 30198, 30744, 32904, 34512, 38388, 40264, 43859, 45297, 51184, 51768, 55754, 57582, 60396, 61488, 65808, 76776, 80528, 83631, 87718, 90594, 103536, 111508, 115164, 120792, 131577, 153552, 167262, 175436, 181188, 195139, 223016, 230328, 241584, 250893, 263154, 307013, 328583, 334524, 350872, 362376, 390278, 394731, 446032, 460656, 501786, 526308, 585417, 614026, 657166, 669048, 701744, 724752, 780556, 789462, 921039, 985749, 1003572, 1052616, 1170834, 1228052, 1314332, 1338096, 1561112, 1578924, 1756251, 1842078, 1971498, 2007144, 2105232, 2300081, 2341668, 2456104, 2628664, 2763117, 2957247, 3122224, 3157848, 3512502, 3684156, 3942996, 4014288, 4600162, 4683336, 4912208, 5257328, 5526234, 5914494, 6315696, 6900243, 7025004, 7368312, 7885992, 9200324, 9366672, 11052468, 11828988, 13800486, 14050008, 14736624, 15771984, 18400648, 20043563, 20700729, 22104936, 23657976, 27600972, 28100016, 36801296, 40087126, 41401458, 44209872, 47315952, 55201944, 60130689, 80174252, 82802916, 110403888, 120261378, 140304941, 160348504, 165605832, 180392067, 240522756, 280609882, 320697008, 331211664, 360784134, 420914823, 481045512, 561219764, 721568268, 841829646, 962091024, 1122439528, 1262744469, 1443136536, 1683659292, 2244879056, 2525488938, 2886273072, 3367318584, 5050977876, 6734637168, 10101955752, 20203911504]

約数ペア:

[(1, 20203911504), (2, 10101955752), (3, 6734637168), (4, 5050977876), (6, 3367318584), (7, 2886273072), (8, 2525488938), (9, 2244879056), (12, 1683659292), (14, 1443136536), (16, 1262744469), (18, 1122439528), (21, 962091024), (24, 841829646), (28, 721568268), (36, 561219764), (42, 481045512), (48, 420914823), (56, 360784134), (61, 331211664), (63, 320697008), (72, 280609882), (84, 240522756), (112, 180392067), (122, 165605832), (126, 160348504), (144, 140304941), (168, 120261378), (183, 110403888), (244, 82802916), (252, 80174252), (336, 60130689), (366, 55201944), (427, 47315952), (457, 44209872), (488, 41401458), (504, 40087126), (549, 36801296), (719, 28100016), (732, 27600972), (854, 23657976), (914, 22104936), (976, 20700729), (1008, 20043563), (1098, 18400648), (1281, 15771984), (1371, 14736624), (1438, 14050008), (1464, 13800486), (1708, 11828988), (1828, 11052468), (2157, 9366672), (2196, 9200324), (2562, 7885992), (2742, 7368312), (2876, 7025004), (2928, 6900243), (3199, 6315696), (3416, 5914494), (3656, 5526234), (3843, 5257328), (4113, 4912208), (4314, 4683336), (4392, 4600162), (5033, 4014288), (5124, 3942996), (5484, 3684156), (5752, 3512502), (6398, 3157848), (6471, 3122224), (6832, 2957247), (7312, 2763117), (7686, 2628664), (8226, 2456104), (8628, 2341668), (8784, 2300081), (9597, 2105232), (10066, 2007144), (10248, 1971498), (10968, 1842078), (11504, 1756251), (12796, 1578924), (12942, 1561112), (15099, 1338096), (15372, 1314332), (16452, 1228052), (17256, 1170834), (19194, 1052616), (20132, 1003572), (20496, 985749), (21936, 921039), (25592, 789462), (25884, 780556), (27877, 724752), (28791, 701744), (30198, 669048), (30744, 657166), (32904, 614026), (34512, 585417), (38388, 526308), (40264, 501786), (43859, 460656), (45297, 446032), (51184, 394731), (51768, 390278), (55754, 362376), (57582, 350872), (60396, 334524), (61488, 328583), (65808, 307013), (76776, 263154), (80528, 250893), (83631, 241584), (87718, 230328), (90594, 223016), (103536, 195139), (111508, 181188), (115164, 175436), (120792, 167262), (131577, 153552)]