20770763

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 23247840

約数和(自身を除く): 2477077

約数列:

[1, 13, 43, 73, 509, 559, 949, 3139, 6617, 21887, 37157, 40807, 284531, 483041, 1597751, 20770763]

約数ペア:

[(1, 20770763), (13, 1597751), (43, 483041), (73, 284531), (509, 40807), (559, 37157), (949, 21887), (3139, 6617)]