20510568

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 96

約数和(自身を含む): 63390600

約数和(自身を除く): 42880032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1289, 1326, 1768, 1989, 2578, 2652, 3867, 3978, 5156, 5304, 7734, 7956, 10312, 11601, 15468, 15912, 16757, 21913, 23202, 30936, 33514, 43826, 46404, 50271, 65739, 67028, 87652, 92808, 100542, 131478, 134056, 150813, 175304, 197217, 201084, 262956, 284869, 301626, 394434, 402168, 525912, 569738, 603252, 788868, 854607, 1139476, 1206504, 1577736, 1709214, 2278952, 2563821, 3418428, 5127642, 6836856, 10255284, 20510568]

約数ペア:

[(1, 20510568), (2, 10255284), (3, 6836856), (4, 5127642), (6, 3418428), (8, 2563821), (9, 2278952), (12, 1709214), (13, 1577736), (17, 1206504), (18, 1139476), (24, 854607), (26, 788868), (34, 603252), (36, 569738), (39, 525912), (51, 402168), (52, 394434), (68, 301626), (72, 284869), (78, 262956), (102, 201084), (104, 197217), (117, 175304), (136, 150813), (153, 134056), (156, 131478), (204, 100542), (221, 92808), (234, 87652), (306, 67028), (312, 65739), (408, 50271), (442, 46404), (468, 43826), (612, 33514), (663, 30936), (884, 23202), (936, 21913), (1224, 16757), (1289, 15912), (1326, 15468), (1768, 11601), (1989, 10312), (2578, 7956), (2652, 7734), (3867, 5304), (3978, 5156)]