20286552

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 62415360

約数和(自身を除く): 42128808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 23, 24, 26, 33, 39, 44, 46, 52, 66, 69, 78, 88, 92, 104, 132, 138, 143, 156, 184, 253, 257, 264, 276, 286, 299, 312, 429, 506, 514, 552, 572, 598, 759, 771, 858, 897, 1012, 1028, 1144, 1196, 1518, 1542, 1716, 1794, 2024, 2056, 2392, 2827, 3036, 3084, 3289, 3341, 3432, 3588, 5654, 5911, 6072, 6168, 6578, 6682, 7176, 8481, 9867, 10023, 11308, 11822, 13156, 13364, 16962, 17733, 19734, 20046, 22616, 23644, 26312, 26728, 33924, 35466, 36751, 39468, 40092, 47288, 65021, 67848, 70932, 73502, 76843, 78936, 80184, 110253, 130042, 141864, 147004, 153686, 195063, 220506, 230529, 260084, 294008, 307372, 390126, 441012, 461058, 520168, 614744, 780252, 845273, 882024, 922116, 1560504, 1690546, 1844232, 2535819, 3381092, 5071638, 6762184, 10143276, 20286552]

約数ペア:

[(1, 20286552), (2, 10143276), (3, 6762184), (4, 5071638), (6, 3381092), (8, 2535819), (11, 1844232), (12, 1690546), (13, 1560504), (22, 922116), (23, 882024), (24, 845273), (26, 780252), (33, 614744), (39, 520168), (44, 461058), (46, 441012), (52, 390126), (66, 307372), (69, 294008), (78, 260084), (88, 230529), (92, 220506), (104, 195063), (132, 153686), (138, 147004), (143, 141864), (156, 130042), (184, 110253), (253, 80184), (257, 78936), (264, 76843), (276, 73502), (286, 70932), (299, 67848), (312, 65021), (429, 47288), (506, 40092), (514, 39468), (552, 36751), (572, 35466), (598, 33924), (759, 26728), (771, 26312), (858, 23644), (897, 22616), (1012, 20046), (1028, 19734), (1144, 17733), (1196, 16962), (1518, 13364), (1542, 13156), (1716, 11822), (1794, 11308), (2024, 10023), (2056, 9867), (2392, 8481), (2827, 7176), (3036, 6682), (3084, 6578), (3289, 6168), (3341, 6072), (3432, 5911), (3588, 5654)]