20808220184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{34781}}^1$

素因数の和:34940

約数の個数: 64

約数和(自身を含む): 42598211040

約数和(自身を除く): 21789990856

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 83, 106, 136, 166, 212, 332, 424, 664, 901, 1411, 1802, 2822, 3604, 4399, 5644, 7208, 8798, 11288, 17596, 34781, 35192, 69562, 74783, 139124, 149566, 278248, 299132, 591277, 598264, 1182554, 1843393, 2365108, 2886823, 3686786, 4730216, 5773646, 7373572, 11547292, 14747144, 23094584, 31337681, 49075991, 62675362, 98151982, 125350724, 153001619, 196303964, 250701448, 306003238, 392607928, 612006476, 1224012952, 2601027523, 5202055046, 10404110092, 20808220184]

約数ペア:

[(1, 20808220184), (2, 10404110092), (4, 5202055046), (8, 2601027523), (17, 1224012952), (34, 612006476), (53, 392607928), (68, 306003238), (83, 250701448), (106, 196303964), (136, 153001619), (166, 125350724), (212, 98151982), (332, 62675362), (424, 49075991), (664, 31337681), (901, 23094584), (1411, 14747144), (1802, 11547292), (2822, 7373572), (3604, 5773646), (4399, 4730216), (5644, 3686786), (7208, 2886823), (8798, 2365108), (11288, 1843393), (17596, 1182554), (34781, 598264), (35192, 591277), (69562, 299132), (74783, 278248), (139124, 149566)]