20178360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2477

約数の個数: 96

約数和(自身を含む): 68459040

約数和(自身を除く): 48280680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2437, 2760, 4140, 4874, 7311, 8280, 9748, 12185, 14622, 19496, 21933, 24370, 29244, 36555, 43866, 48740, 56051, 58488, 73110, 87732, 97480, 109665, 112102, 146220, 168153, 175464, 219330, 224204, 280255, 292440, 336306, 438660, 448408, 504459, 560510, 672612, 840765, 877320, 1008918, 1121020, 1345224, 1681530, 2017836, 2242040, 2522295, 3363060, 4035672, 5044590, 6726120, 10089180, 20178360]

約数ペア:

[(1, 20178360), (2, 10089180), (3, 6726120), (4, 5044590), (5, 4035672), (6, 3363060), (8, 2522295), (9, 2242040), (10, 2017836), (12, 1681530), (15, 1345224), (18, 1121020), (20, 1008918), (23, 877320), (24, 840765), (30, 672612), (36, 560510), (40, 504459), (45, 448408), (46, 438660), (60, 336306), (69, 292440), (72, 280255), (90, 224204), (92, 219330), (115, 175464), (120, 168153), (138, 146220), (180, 112102), (184, 109665), (207, 97480), (230, 87732), (276, 73110), (345, 58488), (360, 56051), (414, 48740), (460, 43866), (552, 36555), (690, 29244), (828, 24370), (920, 21933), (1035, 19496), (1380, 14622), (1656, 12185), (2070, 9748), (2437, 8280), (2760, 7311), (4140, 4874)]