20432451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 10146237

約数列:

[1, 3, 13, 39, 47, 71, 141, 157, 213, 471, 611, 923, 1833, 2041, 2769, 3337, 6123, 7379, 10011, 11147, 22137, 33441, 43381, 95927, 130143, 144911, 287781, 434733, 523909, 1571727, 6810817, 20432451]

約数ペア:

[(1, 20432451), (3, 6810817), (13, 1571727), (39, 523909), (47, 434733), (71, 287781), (141, 144911), (157, 130143), (213, 95927), (471, 43381), (611, 33441), (923, 22137), (1833, 11147), (2041, 10011), (2769, 7379), (3337, 6123)]