20586286

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 37953792

約数和(自身を除く): 17367506

約数列:

[1, 2, 7, 14, 17, 34, 67, 119, 134, 238, 469, 938, 1139, 1291, 2278, 2582, 7973, 9037, 15946, 18074, 21947, 43894, 86497, 153629, 172994, 307258, 605479, 1210958, 1470449, 2940898, 10293143, 20586286]

約数ペア:

[(1, 20586286), (2, 10293143), (7, 2940898), (14, 1470449), (17, 1210958), (34, 605479), (67, 307258), (119, 172994), (134, 153629), (238, 86497), (469, 43894), (938, 21947), (1139, 18074), (1291, 15946), (2278, 9037), (2582, 7973)]