20874317

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 2391475

約数列:

[1, 17, 23, 197, 271, 391, 3349, 4531, 4607, 6233, 53387, 77027, 105961, 907579, 1227901, 20874317]

約数ペア:

[(1, 20874317), (17, 1227901), (23, 907579), (197, 105961), (271, 77027), (391, 53387), (3349, 6233), (4531, 4607)]