20646561

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 30105696

約数和(自身を除く): 9459135

約数列:

[1, 3, 13, 39, 169, 193, 211, 507, 579, 633, 2509, 2743, 7527, 8229, 32617, 35659, 40723, 97851, 106977, 122169, 529399, 1588197, 6882187, 20646561]

約数ペア:

[(1, 20646561), (3, 6882187), (13, 1588197), (39, 529399), (169, 122169), (193, 106977), (211, 97851), (507, 40723), (579, 35659), (633, 32617), (2509, 8229), (2743, 7527)]