20831613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 32596992

約数和(自身を除く): 11765379

約数列:

[1, 3, 11, 17, 33, 51, 71, 187, 213, 523, 561, 781, 1207, 1569, 2343, 3621, 5753, 8891, 13277, 17259, 26673, 37133, 39831, 97801, 111399, 293403, 408463, 631261, 1225389, 1893783, 6943871, 20831613]

約数ペア:

[(1, 20831613), (3, 6943871), (11, 1893783), (17, 1225389), (33, 631261), (51, 408463), (71, 293403), (187, 111399), (213, 97801), (523, 39831), (561, 37133), (781, 26673), (1207, 17259), (1569, 13277), (2343, 8891), (3621, 5753)]