20017857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4729}}^1$

素因数の和:4832

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 8589183

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4729, 14187, 80393, 241179, 392507, 1177521, 6672619, 20017857]

約数ペア:

[(1, 20017857), (3, 6672619), (17, 1177521), (51, 392507), (83, 241179), (249, 80393), (1411, 14187), (4233, 4729)]