20505368328

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1215349}}^1$

素因数の和:1215414

約数の個数: 64

約数和(自身を含む): 55419960000

約数和(自身を除く): 34914591672

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1406, 2109, 2812, 4218, 5624, 8436, 16872, 1215349, 2430698, 3646047, 4861396, 7292094, 9722792, 14584188, 23091631, 29168376, 44967913, 46183262, 69274893, 89935826, 92366524, 134903739, 138549786, 179871652, 184733048, 269807478, 277099572, 359743304, 539614956, 554199144, 854390347, 1079229912, 1708780694, 2563171041, 3417561388, 5126342082, 6835122776, 10252684164, 20505368328]

約数ペア:

[(1, 20505368328), (2, 10252684164), (3, 6835122776), (4, 5126342082), (6, 3417561388), (8, 2563171041), (12, 1708780694), (19, 1079229912), (24, 854390347), (37, 554199144), (38, 539614956), (57, 359743304), (74, 277099572), (76, 269807478), (111, 184733048), (114, 179871652), (148, 138549786), (152, 134903739), (222, 92366524), (228, 89935826), (296, 69274893), (444, 46183262), (456, 44967913), (703, 29168376), (888, 23091631), (1406, 14584188), (2109, 9722792), (2812, 7292094), (4218, 4861396), (5624, 3646047), (8436, 2430698), (16872, 1215349)]