20931548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:818

約数の個数: 36

約数和(自身を含む): 41001240

約数和(自身を除く): 20069692

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 121, 236, 242, 484, 649, 733, 1298, 1466, 2596, 2932, 7139, 8063, 14278, 16126, 28556, 32252, 43247, 86494, 88693, 172988, 177386, 354772, 475717, 951434, 1902868, 5232887, 10465774, 20931548]

約数ペア:

[(1, 20931548), (2, 10465774), (4, 5232887), (11, 1902868), (22, 951434), (44, 475717), (59, 354772), (118, 177386), (121, 172988), (236, 88693), (242, 86494), (484, 43247), (649, 32252), (733, 28556), (1298, 16126), (1466, 14278), (2596, 8063), (2932, 7139)]