20644839

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 31253040

約数和(自身を除く): 10608201

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 953, 2407, 2859, 7221, 8577, 21663, 27637, 79099, 82911, 237297, 248733, 711891, 2293871, 6881613, 20644839]

約数ペア:

[(1, 20644839), (3, 6881613), (9, 2293871), (29, 711891), (83, 248733), (87, 237297), (249, 82911), (261, 79099), (747, 27637), (953, 21663), (2407, 8577), (2859, 7221)]