20167029584

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1621}}^1$

素因数の和:1805

約数の個数: 120

約数和(自身を含む): 43726031712

約数和(自身を除く): 23559002128

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 107, 169, 172, 208, 214, 338, 344, 428, 559, 676, 688, 856, 1118, 1352, 1391, 1621, 1712, 2236, 2704, 2782, 3242, 4472, 4601, 5564, 6484, 7267, 8944, 9202, 11128, 12968, 14534, 18083, 18404, 21073, 22256, 25936, 29068, 36166, 36808, 42146, 58136, 59813, 69703, 72332, 73616, 84292, 116272, 119626, 139406, 144664, 168584, 173447, 239252, 273949, 278812, 289328, 337168, 346894, 478504, 547898, 557624, 693788, 777569, 906139, 957008, 1095796, 1115248, 1387576, 1555138, 1812278, 2191592, 2254811, 2775152, 3110276, 3624556, 4383184, 4509622, 6220552, 7249112, 7458221, 9019244, 11779807, 12441104, 14498224, 14916442, 18038488, 23559614, 29312543, 29832884, 36076976, 47119228, 58625086, 59665768, 94238456, 96956873, 117250172, 119331536, 188476912, 193913746, 234500344, 387827492, 469000688, 775654984, 1260439349, 1551309968, 2520878698, 5041757396, 10083514792, 20167029584]

約数ペア:

[(1, 20167029584), (2, 10083514792), (4, 5041757396), (8, 2520878698), (13, 1551309968), (16, 1260439349), (26, 775654984), (43, 469000688), (52, 387827492), (86, 234500344), (104, 193913746), (107, 188476912), (169, 119331536), (172, 117250172), (208, 96956873), (214, 94238456), (338, 59665768), (344, 58625086), (428, 47119228), (559, 36076976), (676, 29832884), (688, 29312543), (856, 23559614), (1118, 18038488), (1352, 14916442), (1391, 14498224), (1621, 12441104), (1712, 11779807), (2236, 9019244), (2704, 7458221), (2782, 7249112), (3242, 6220552), (4472, 4509622), (4601, 4383184), (5564, 3624556), (6484, 3110276), (7267, 2775152), (8944, 2254811), (9202, 2191592), (11128, 1812278), (12968, 1555138), (14534, 1387576), (18083, 1115248), (18404, 1095796), (21073, 957008), (22256, 906139), (25936, 777569), (29068, 693788), (36166, 557624), (36808, 547898), (42146, 478504), (58136, 346894), (59813, 337168), (69703, 289328), (72332, 278812), (73616, 273949), (84292, 239252), (116272, 173447), (119626, 168584), (139406, 144664)]