20171954877

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1933}}^1\times {\mathrm{2803}}^1$

素因数の和:4829

約数の個数: 32

約数和(自身を含む): 28893403008

約数和(自身を除く): 8721448131

約数列:

[1, 3, 17, 51, 73, 219, 1241, 1933, 2803, 3723, 5799, 8409, 32861, 47651, 98583, 141109, 142953, 204619, 423327, 613857, 2398853, 3478523, 5418199, 7196559, 10435569, 16254597, 92109383, 276328149, 395528527, 1186585581, 6723984959, 20171954877]

約数ペア:

[(1, 20171954877), (3, 6723984959), (17, 1186585581), (51, 395528527), (73, 276328149), (219, 92109383), (1241, 16254597), (1933, 10435569), (2803, 7196559), (3723, 5418199), (5799, 3478523), (8409, 2398853), (32861, 613857), (47651, 423327), (98583, 204619), (141109, 142953)]