20111091931

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1971869}}^1$

素因数の和:1971954

約数の個数: 16

約数和(自身を含む): 24230338560

約数和(自身を除く): 4119246629

約数列:

[1, 7, 31, 47, 217, 329, 1457, 10199, 1971869, 13803083, 61127939, 92677843, 427895573, 648744901, 2873013133, 20111091931]

約数ペア:

[(1, 20111091931), (7, 2873013133), (31, 648744901), (47, 427895573), (217, 92677843), (329, 61127939), (1457, 13803083), (10199, 1971869)]