20951939

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2272381

約数列:

[1, 17, 31, 83, 479, 527, 1411, 2573, 8143, 14849, 39757, 43741, 252433, 675869, 1232467, 20951939]

約数ペア:

[(1, 20951939), (17, 1232467), (31, 675869), (83, 252433), (479, 43741), (527, 39757), (1411, 14849), (2573, 8143)]