20123802888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{45667}}^1$

素因数の和:45787

約数の個数: 128

約数和(自身を含む): 59799505920

約数和(自身を除く): 39675703032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 61, 84, 86, 122, 129, 168, 172, 183, 244, 258, 301, 344, 366, 427, 488, 516, 602, 732, 854, 903, 1032, 1204, 1281, 1464, 1708, 1806, 2408, 2562, 2623, 3416, 3612, 5124, 5246, 7224, 7869, 10248, 10492, 15738, 18361, 20984, 31476, 36722, 45667, 55083, 62952, 73444, 91334, 110166, 137001, 146888, 182668, 220332, 274002, 319669, 365336, 440664, 548004, 639338, 959007, 1096008, 1278676, 1918014, 1963681, 2557352, 2785687, 3836028, 3927362, 5571374, 5891043, 7672056, 7854724, 8357061, 11142748, 11782086, 13745767, 15709448, 16714122, 19499809, 22285496, 23564172, 27491534, 33428244, 38999618, 41237301, 47128344, 54983068, 58499427, 66856488, 77999236, 82474602, 109966136, 116998854, 119784541, 155998472, 164949204, 233997708, 239569082, 329898408, 359353623, 467995416, 479138164, 718707246, 838491787, 958276328, 1437414492, 1676983574, 2515475361, 2874828984, 3353967148, 5030950722, 6707934296, 10061901444, 20123802888]

約数ペア:

[(1, 20123802888), (2, 10061901444), (3, 6707934296), (4, 5030950722), (6, 3353967148), (7, 2874828984), (8, 2515475361), (12, 1676983574), (14, 1437414492), (21, 958276328), (24, 838491787), (28, 718707246), (42, 479138164), (43, 467995416), (56, 359353623), (61, 329898408), (84, 239569082), (86, 233997708), (122, 164949204), (129, 155998472), (168, 119784541), (172, 116998854), (183, 109966136), (244, 82474602), (258, 77999236), (301, 66856488), (344, 58499427), (366, 54983068), (427, 47128344), (488, 41237301), (516, 38999618), (602, 33428244), (732, 27491534), (854, 23564172), (903, 22285496), (1032, 19499809), (1204, 16714122), (1281, 15709448), (1464, 13745767), (1708, 11782086), (1806, 11142748), (2408, 8357061), (2562, 7854724), (2623, 7672056), (3416, 5891043), (3612, 5571374), (5124, 3927362), (5246, 3836028), (7224, 2785687), (7869, 2557352), (10248, 1963681), (10492, 1918014), (15738, 1278676), (18361, 1096008), (20984, 959007), (31476, 639338), (36722, 548004), (45667, 440664), (55083, 365336), (62952, 319669), (73444, 274002), (91334, 220332), (110166, 182668), (137001, 146888)]