20199390772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1861}}^1\times {\mathrm{246683}}^1$

素因数の和:248559

約数の個数: 24

約数和(自身を含む): 38583351072

約数和(自身を除く): 18383960300

約数列:

[1, 2, 4, 11, 22, 44, 1861, 3722, 7444, 20471, 40942, 81884, 246683, 493366, 986732, 2713513, 5427026, 10854052, 459077063, 918154126, 1836308252, 5049847693, 10099695386, 20199390772]

約数ペア:

[(1, 20199390772), (2, 10099695386), (4, 5049847693), (11, 1836308252), (22, 918154126), (44, 459077063), (1861, 10854052), (3722, 5427026), (7444, 2713513), (20471, 986732), (40942, 493366), (81884, 246683)]