20447507808

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{86689}}^1$

素因数の和:86731

約数の個数: 240

約数和(自身を含む): 74013841440

約数和(自身を除く): 53566333632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 224, 234, 252, 273, 288, 312, 324, 336, 351, 364, 378, 416, 432, 468, 504, 546, 567, 624, 648, 672, 702, 728, 756, 819, 864, 936, 1008, 1053, 1092, 1134, 1248, 1296, 1404, 1456, 1512, 1638, 1872, 2016, 2106, 2184, 2268, 2457, 2592, 2808, 2912, 3024, 3276, 3744, 4212, 4368, 4536, 4914, 5616, 6048, 6552, 7371, 8424, 8736, 9072, 9828, 11232, 13104, 14742, 16848, 18144, 19656, 26208, 29484, 33696, 39312, 58968, 78624, 86689, 117936, 173378, 235872, 260067, 346756, 520134, 606823, 693512, 780201, 1040268, 1126957, 1213646, 1387024, 1560402, 1820469, 2080536, 2253914, 2340603, 2427292, 2774048, 3120804, 3380871, 3640938, 4161072, 4507828, 4681206, 4854584, 5461407, 6241608, 6761742, 7021809, 7281876, 7888699, 8322144, 9015656, 9362412, 9709168, 10142613, 10922814, 12483216, 13523484, 14043618, 14563752, 15777398, 16384221, 18031312, 18724824, 19418336, 20285226, 21845628, 23666097, 24966432, 27046968, 28087236, 29127504, 30427839, 31554796, 32768442, 36062624, 37449648, 40570452, 43691256, 47332194, 49152663, 54093936, 56174472, 58255008, 60855678, 63109592, 65536884, 70998291, 74899296, 81140904, 87382512, 91283517, 94664388, 98305326, 108187872, 112348944, 121711356, 126219184, 131073768, 141996582, 162281808, 174765024, 182567034, 189328776, 196610652, 212994873, 224697888, 243422712, 252438368, 262147536, 283993164, 324563616, 365134068, 378657552, 393221304, 425989746, 486845424, 524295072, 567986328, 638984619, 730268136, 757315104, 786442608, 851979492, 973690848, 1135972656, 1277969238, 1460536272, 1572885216, 1703958984, 2271945312, 2555938476, 2921072544, 3407917968, 5111876952, 6815835936, 10223753904, 20447507808]

約数ペア:

[(1, 20447507808), (2, 10223753904), (3, 6815835936), (4, 5111876952), (6, 3407917968), (7, 2921072544), (8, 2555938476), (9, 2271945312), (12, 1703958984), (13, 1572885216), (14, 1460536272), (16, 1277969238), (18, 1135972656), (21, 973690848), (24, 851979492), (26, 786442608), (27, 757315104), (28, 730268136), (32, 638984619), (36, 567986328), (39, 524295072), (42, 486845424), (48, 425989746), (52, 393221304), (54, 378657552), (56, 365134068), (63, 324563616), (72, 283993164), (78, 262147536), (81, 252438368), (84, 243422712), (91, 224697888), (96, 212994873), (104, 196610652), (108, 189328776), (112, 182567034), (117, 174765024), (126, 162281808), (144, 141996582), (156, 131073768), (162, 126219184), (168, 121711356), (182, 112348944), (189, 108187872), (208, 98305326), (216, 94664388), (224, 91283517), (234, 87382512), (252, 81140904), (273, 74899296), (288, 70998291), (312, 65536884), (324, 63109592), (336, 60855678), (351, 58255008), (364, 56174472), (378, 54093936), (416, 49152663), (432, 47332194), (468, 43691256), (504, 40570452), (546, 37449648), (567, 36062624), (624, 32768442), (648, 31554796), (672, 30427839), (702, 29127504), (728, 28087236), (756, 27046968), (819, 24966432), (864, 23666097), (936, 21845628), (1008, 20285226), (1053, 19418336), (1092, 18724824), (1134, 18031312), (1248, 16384221), (1296, 15777398), (1404, 14563752), (1456, 14043618), (1512, 13523484), (1638, 12483216), (1872, 10922814), (2016, 10142613), (2106, 9709168), (2184, 9362412), (2268, 9015656), (2457, 8322144), (2592, 7888699), (2808, 7281876), (2912, 7021809), (3024, 6761742), (3276, 6241608), (3744, 5461407), (4212, 4854584), (4368, 4681206), (4536, 4507828), (4914, 4161072), (5616, 3640938), (6048, 3380871), (6552, 3120804), (7371, 2774048), (8424, 2427292), (8736, 2340603), (9072, 2253914), (9828, 2080536), (11232, 1820469), (13104, 1560402), (14742, 1387024), (16848, 1213646), (18144, 1126957), (19656, 1040268), (26208, 780201), (29484, 693512), (33696, 606823), (39312, 520134), (58968, 346756), (78624, 260067), (86689, 235872), (117936, 173378)]