20117823

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 29755824

約数和(自身を除く): 9638001

約数列:

[1, 3, 11, 33, 121, 157, 353, 363, 471, 1059, 1727, 3883, 5181, 11649, 18997, 42713, 55421, 56991, 128139, 166263, 609631, 1828893, 6705941, 20117823]

約数ペア:

[(1, 20117823), (3, 6705941), (11, 1828893), (33, 609631), (121, 166263), (157, 128139), (353, 56991), (363, 55421), (471, 42713), (1059, 18997), (1727, 11649), (3883, 5181)]