20258019

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{653}}^1$

素因数の和:1048

約数の個数: 20

約数和(自身を含む): 30387456

約数和(自身を除く): 10129437

約数列:

[1, 3, 9, 27, 81, 383, 653, 1149, 1959, 3447, 5877, 10341, 17631, 31023, 52893, 250099, 750297, 2250891, 6752673, 20258019]

約数ペア:

[(1, 20258019), (3, 6752673), (9, 2250891), (27, 750297), (81, 250099), (383, 52893), (653, 31023), (1149, 17631), (1959, 10341), (3447, 5877)]