20271384

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 67082400

約数和(自身を除く): 46811016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 54, 56, 63, 72, 81, 82, 84, 108, 109, 123, 126, 162, 164, 168, 189, 216, 218, 246, 252, 287, 324, 327, 328, 369, 378, 436, 492, 504, 567, 574, 648, 654, 738, 756, 763, 861, 872, 981, 984, 1107, 1134, 1148, 1308, 1476, 1512, 1526, 1722, 1962, 2214, 2268, 2289, 2296, 2583, 2616, 2943, 2952, 3052, 3321, 3444, 3924, 4428, 4469, 4536, 4578, 5166, 5886, 6104, 6642, 6867, 6888, 7749, 7848, 8829, 8856, 8938, 9156, 10332, 11772, 13284, 13407, 13734, 15498, 17658, 17876, 18312, 20601, 20664, 23247, 23544, 26568, 26814, 27468, 30996, 31283, 35316, 35752, 40221, 41202, 46494, 53628, 54936, 61803, 61992, 62566, 70632, 80442, 82404, 92988, 93849, 107256, 120663, 123606, 125132, 160884, 164808, 185976, 187698, 241326, 247212, 250264, 281547, 321768, 361989, 375396, 482652, 494424, 563094, 723978, 750792, 844641, 965304, 1126188, 1447956, 1689282, 2252376, 2533923, 2895912, 3378564, 5067846, 6757128, 10135692, 20271384]

約数ペア:

[(1, 20271384), (2, 10135692), (3, 6757128), (4, 5067846), (6, 3378564), (7, 2895912), (8, 2533923), (9, 2252376), (12, 1689282), (14, 1447956), (18, 1126188), (21, 965304), (24, 844641), (27, 750792), (28, 723978), (36, 563094), (41, 494424), (42, 482652), (54, 375396), (56, 361989), (63, 321768), (72, 281547), (81, 250264), (82, 247212), (84, 241326), (108, 187698), (109, 185976), (123, 164808), (126, 160884), (162, 125132), (164, 123606), (168, 120663), (189, 107256), (216, 93849), (218, 92988), (246, 82404), (252, 80442), (287, 70632), (324, 62566), (327, 61992), (328, 61803), (369, 54936), (378, 53628), (436, 46494), (492, 41202), (504, 40221), (567, 35752), (574, 35316), (648, 31283), (654, 30996), (738, 27468), (756, 26814), (763, 26568), (861, 23544), (872, 23247), (981, 20664), (984, 20601), (1107, 18312), (1134, 17876), (1148, 17658), (1308, 15498), (1476, 13734), (1512, 13407), (1526, 13284), (1722, 11772), (1962, 10332), (2214, 9156), (2268, 8938), (2289, 8856), (2296, 8829), (2583, 7848), (2616, 7749), (2943, 6888), (2952, 6867), (3052, 6642), (3321, 6104), (3444, 5886), (3924, 5166), (4428, 4578), (4469, 4536)]