20805124516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5312851}}^1$

素因数の和:5312955

約数の個数: 24

約数和(自身を含む): 40165161120

約数和(自身を除く): 19360036604

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5312851, 10625702, 21251404, 58441361, 116882722, 233765444, 472843739, 945687478, 1891374956, 5201281129, 10402562258, 20805124516]

約数ペア:

[(1, 20805124516), (2, 10402562258), (4, 5201281129), (11, 1891374956), (22, 945687478), (44, 472843739), (89, 233765444), (178, 116882722), (356, 58441361), (979, 21251404), (1958, 10625702), (3916, 5312851)]