20255774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1277}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 38278656

約数和(自身を除く): 18022882

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1277, 1442, 2266, 2554, 7931, 8939, 14047, 15862, 17878, 28094, 98329, 131531, 196658, 263062, 920717, 1446841, 1841434, 2893682, 10127887, 20255774]

約数ペア:

[(1, 20255774), (2, 10127887), (7, 2893682), (11, 1841434), (14, 1446841), (22, 920717), (77, 263062), (103, 196658), (154, 131531), (206, 98329), (721, 28094), (1133, 17878), (1277, 15862), (1442, 14047), (2266, 8939), (2554, 7931)]