20205993

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 27383616

約数和(自身を除く): 7177623

約数列:

[1, 3, 137, 211, 233, 411, 633, 699, 28907, 31921, 49163, 86721, 95763, 147489, 6735331, 20205993]

約数ペア:

[(1, 20205993), (3, 6735331), (137, 147489), (211, 95763), (233, 86721), (411, 49163), (633, 31921), (699, 28907)]