20533161

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2153}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 31741344

約数和(自身を除く): 11208183

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 2153, 3179, 6459, 9537, 23683, 36601, 71049, 109803, 402611, 622217, 1207833, 1866651, 6844387, 20533161]

約数ペア:

[(1, 20533161), (3, 6844387), (11, 1866651), (17, 1207833), (33, 622217), (51, 402611), (187, 109803), (289, 71049), (561, 36601), (867, 23683), (2153, 9537), (3179, 6459)]