20500971

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 27780480

約数和(自身を除く): 7279509

約数列:

[1, 3, 139, 211, 233, 417, 633, 699, 29329, 32387, 49163, 87987, 97161, 147489, 6833657, 20500971]

約数ペア:

[(1, 20500971), (3, 6833657), (139, 147489), (211, 97161), (233, 87987), (417, 49163), (633, 32387), (699, 29329)]