20564290

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3259}}^1$

素因数の和:3897

約数の個数: 16

約数和(自身を含む): 37085760

約数和(自身を除く): 16521470

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 3259, 6310, 6518, 16295, 32590, 2056429, 4112858, 10282145, 20564290]

約数ペア:

[(1, 20564290), (2, 10282145), (5, 4112858), (10, 2056429), (631, 32590), (1262, 16295), (3155, 6518), (3259, 6310)]