20270544

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 64948224

約数和(自身を除く): 44677680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 43, 46, 48, 56, 61, 69, 84, 86, 92, 112, 122, 129, 138, 161, 168, 172, 183, 184, 244, 258, 276, 301, 322, 336, 344, 366, 368, 427, 483, 488, 516, 552, 602, 644, 688, 732, 854, 903, 966, 976, 989, 1032, 1104, 1204, 1281, 1288, 1403, 1464, 1708, 1806, 1932, 1978, 2064, 2408, 2562, 2576, 2623, 2806, 2928, 2967, 3416, 3612, 3864, 3956, 4209, 4816, 5124, 5246, 5612, 5934, 6832, 6923, 7224, 7728, 7869, 7912, 8418, 9821, 10248, 10492, 11224, 11868, 13846, 14448, 15738, 15824, 16836, 18361, 19642, 20496, 20769, 20984, 22448, 23736, 27692, 29463, 31476, 33672, 36722, 39284, 41538, 41968, 47472, 55083, 55384, 58926, 60329, 62952, 67344, 73444, 78568, 83076, 110166, 110768, 117852, 120658, 125904, 146888, 157136, 166152, 180987, 220332, 235704, 241316, 293776, 332304, 361974, 422303, 440664, 471408, 482632, 723948, 844606, 881328, 965264, 1266909, 1447896, 1689212, 2533818, 2895792, 3378424, 5067636, 6756848, 10135272, 20270544]

約数ペア:

[(1, 20270544), (2, 10135272), (3, 6756848), (4, 5067636), (6, 3378424), (7, 2895792), (8, 2533818), (12, 1689212), (14, 1447896), (16, 1266909), (21, 965264), (23, 881328), (24, 844606), (28, 723948), (42, 482632), (43, 471408), (46, 440664), (48, 422303), (56, 361974), (61, 332304), (69, 293776), (84, 241316), (86, 235704), (92, 220332), (112, 180987), (122, 166152), (129, 157136), (138, 146888), (161, 125904), (168, 120658), (172, 117852), (183, 110768), (184, 110166), (244, 83076), (258, 78568), (276, 73444), (301, 67344), (322, 62952), (336, 60329), (344, 58926), (366, 55384), (368, 55083), (427, 47472), (483, 41968), (488, 41538), (516, 39284), (552, 36722), (602, 33672), (644, 31476), (688, 29463), (732, 27692), (854, 23736), (903, 22448), (966, 20984), (976, 20769), (989, 20496), (1032, 19642), (1104, 18361), (1204, 16836), (1281, 15824), (1288, 15738), (1403, 14448), (1464, 13846), (1708, 11868), (1806, 11224), (1932, 10492), (1978, 10248), (2064, 9821), (2408, 8418), (2562, 7912), (2576, 7869), (2623, 7728), (2806, 7224), (2928, 6923), (2967, 6832), (3416, 5934), (3612, 5612), (3864, 5246), (3956, 5124), (4209, 4816)]