20210739

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:3010

約数の個数: 16

約数和(自身を含む): 28748160

約数和(自身を除く): 8537421

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2851, 7089, 8553, 48467, 145401, 396289, 1188867, 6736913, 20210739]

約数ペア:

[(1, 20210739), (3, 6736913), (17, 1188867), (51, 396289), (139, 145401), (417, 48467), (2363, 8553), (2851, 7089)]