20565246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263657}}^1$

素因数の和:263675

約数の個数: 16

約数和(自身を含む): 44294544

約数和(自身を除く): 23729298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263657, 527314, 790971, 1581942, 3427541, 6855082, 10282623, 20565246]

約数ペア:

[(1, 20565246), (2, 10282623), (3, 6855082), (6, 3427541), (13, 1581942), (26, 790971), (39, 527314), (78, 263657)]