20609562827

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 26542080000

約数和(自身を除く): 5932517173

約数列:

[1, 7, 19, 23, 49, 133, 161, 343, 359, 383, 437, 931, 1127, 2513, 2681, 3059, 6517, 6821, 7277, 7889, 8257, 8809, 17591, 18767, 21413, 47747, 50939, 57799, 61663, 123137, 131369, 137497, 149891, 156883, 167371, 334229, 356573, 404593, 431641, 962479, 1098181, 1171597, 2339603, 2496011, 2612443, 2832151, 3021487, 3162431, 6737353, 7687267, 8201179, 18287101, 22137017, 47161471, 53810869, 57408253, 60086189, 128009707, 154959119, 420603323, 896067949, 1084713833, 2944223261, 20609562827]

約数ペア:

[(1, 20609562827), (7, 2944223261), (19, 1084713833), (23, 896067949), (49, 420603323), (133, 154959119), (161, 128009707), (343, 60086189), (359, 57408253), (383, 53810869), (437, 47161471), (931, 22137017), (1127, 18287101), (2513, 8201179), (2681, 7687267), (3059, 6737353), (6517, 3162431), (6821, 3021487), (7277, 2832151), (7889, 2612443), (8257, 2496011), (8809, 2339603), (17591, 1171597), (18767, 1098181), (21413, 962479), (47747, 431641), (50939, 404593), (57799, 356573), (61663, 334229), (123137, 167371), (131369, 156883), (137497, 149891)]