20993422

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 32164992

約数和(自身を除く): 11171570

約数列:

[1, 2, 71, 142, 163, 326, 907, 1814, 11573, 23146, 64397, 128794, 147841, 295682, 10496711, 20993422]

約数ペア:

[(1, 20993422), (2, 10496711), (71, 295682), (142, 147841), (163, 128794), (326, 64397), (907, 23146), (1814, 11573)]