20554638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263521}}^1$

素因数の和:263539

約数の個数: 16

約数和(自身を含む): 44271696

約数和(自身を除く): 23717058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263521, 527042, 790563, 1581126, 3425773, 6851546, 10277319, 20554638]

約数ペア:

[(1, 20554638), (2, 10277319), (3, 6851546), (6, 3425773), (13, 1581126), (26, 790563), (39, 527042), (78, 263521)]