20505111

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36551}}^1$

素因数の和:36582

約数の個数: 16

約数和(自身を含む): 31580928

約数和(自身を除く): 11075817

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36551, 109653, 402061, 621367, 1206183, 1864101, 6835037, 20505111]

約数ペア:

[(1, 20505111), (3, 6835037), (11, 1864101), (17, 1206183), (33, 621367), (51, 402061), (187, 109653), (561, 36551)]