20755147140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1267103}}^1$

素因数の和:1267138

約数の個数: 144

約数和(自身を含む): 77485943808

約数和(自身を除く): 56730796668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 1267103, 2534206, 3801309, 5068412, 6335515, 7602618, 8869721, 11403927, 12671030, 15205236, 16472339, 17739442, 19006545, 22807854, 25342060, 26609163, 32944678, 35478884, 38013090, 44348605, 45615708, 49417017, 53218326, 57019635, 65889356, 76026180, 79827489, 82361695, 88697210, 98834034, 106436652, 114039270, 115306373, 133045815, 148251051, 159654978, 164723390, 177394420, 197668068, 228078540, 230612746, 247085085, 266091630, 296502102, 319309956, 329446780, 345919119, 399137445, 461225492, 494170170, 532183260, 576531865, 593004204, 691838238, 741255255, 798274890, 988340340, 1037757357, 1153063730, 1383676476, 1482510510, 1596549780, 1729595595, 2075514714, 2306127460, 2965021020, 3459191190, 4151029428, 5188786785, 6918382380, 10377573570, 20755147140]

約数ペア:

[(1, 20755147140), (2, 10377573570), (3, 6918382380), (4, 5188786785), (5, 4151029428), (6, 3459191190), (7, 2965021020), (9, 2306127460), (10, 2075514714), (12, 1729595595), (13, 1596549780), (14, 1482510510), (15, 1383676476), (18, 1153063730), (20, 1037757357), (21, 988340340), (26, 798274890), (28, 741255255), (30, 691838238), (35, 593004204), (36, 576531865), (39, 532183260), (42, 494170170), (45, 461225492), (52, 399137445), (60, 345919119), (63, 329446780), (65, 319309956), (70, 296502102), (78, 266091630), (84, 247085085), (90, 230612746), (91, 228078540), (105, 197668068), (117, 177394420), (126, 164723390), (130, 159654978), (140, 148251051), (156, 133045815), (180, 115306373), (182, 114039270), (195, 106436652), (210, 98834034), (234, 88697210), (252, 82361695), (260, 79827489), (273, 76026180), (315, 65889356), (364, 57019635), (390, 53218326), (420, 49417017), (455, 45615708), (468, 44348605), (546, 38013090), (585, 35478884), (630, 32944678), (780, 26609163), (819, 25342060), (910, 22807854), (1092, 19006545), (1170, 17739442), (1260, 16472339), (1365, 15205236), (1638, 12671030), (1820, 11403927), (2340, 8869721), (2730, 7602618), (3276, 6335515), (4095, 5068412), (5460, 3801309), (8190, 2534206), (16380, 1267103)]