20622519

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5417}}^1$

素因数の和:5476

約数の個数: 20

約数和(自身を含む): 31467744

約数和(自身を除く): 10845225

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5417, 16251, 48753, 146259, 254599, 438777, 763797, 2291391, 6874173, 20622519]

約数ペア:

[(1, 20622519), (3, 6874173), (9, 2291391), (27, 763797), (47, 438777), (81, 254599), (141, 146259), (423, 48753), (1269, 16251), (3807, 5417)]