20804078230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160031371}}^1$

素因数の和:160031391

約数の個数: 16

約数和(自身を含む): 40327905744

約数和(自身を除く): 19523827514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160031371, 320062742, 800156855, 1600313710, 2080407823, 4160815646, 10402039115, 20804078230]

約数ペア:

[(1, 20804078230), (2, 10402039115), (5, 4160815646), (10, 2080407823), (13, 1600313710), (26, 800156855), (65, 320062742), (130, 160031371)]