20785534

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 39439872

約数和(自身を除く): 18654338

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1901, 3802, 5467, 10934, 13307, 20911, 26614, 41822, 134971, 146377, 269942, 292754, 944797, 1484681, 1889594, 2969362, 10392767, 20785534]

約数ペア:

[(1, 20785534), (2, 10392767), (7, 2969362), (11, 1889594), (14, 1484681), (22, 944797), (71, 292754), (77, 269942), (142, 146377), (154, 134971), (497, 41822), (781, 26614), (994, 20911), (1562, 13307), (1901, 10934), (3802, 5467)]