20569409

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 24281088

約数和(自身を除く): 3711679

約数列:

[1, 7, 47, 103, 329, 607, 721, 4249, 4841, 28529, 33887, 62521, 199703, 437647, 2938487, 20569409]

約数ペア:

[(1, 20569409), (7, 2938487), (47, 437647), (103, 199703), (329, 62521), (607, 33887), (721, 28529), (4249, 4841)]