20663682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264919}}^1$

素因数の和:264937

約数の個数: 16

約数和(自身を含む): 44506560

約数和(自身を除く): 23842878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264919, 529838, 794757, 1589514, 3443947, 6887894, 10331841, 20663682]

約数ペア:

[(1, 20663682), (2, 10331841), (3, 6887894), (6, 3443947), (13, 1589514), (26, 794757), (39, 529838), (78, 264919)]