20871097

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 24583104

約数和(自身を除く): 3712007

約数列:

[1, 13, 23, 29, 83, 299, 377, 667, 841, 1079, 1909, 2407, 8671, 10933, 19343, 24817, 31291, 55361, 69803, 251459, 719693, 907439, 1605469, 20871097]

約数ペア:

[(1, 20871097), (13, 1605469), (23, 907439), (29, 719693), (83, 251459), (299, 69803), (377, 55361), (667, 31291), (841, 24817), (1079, 19343), (1909, 10933), (2407, 8671)]