20668791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48179}}^1$

素因数の和:48206

約数の個数: 16

約数和(自身を含む): 32376960

約数和(自身を除く): 11708169

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48179, 144537, 529969, 626327, 1589907, 1878981, 6889597, 20668791]

約数ペア:

[(1, 20668791), (3, 6889597), (11, 1878981), (13, 1589907), (33, 626327), (39, 529969), (143, 144537), (429, 48179)]