20554492

素因数分解:

$2^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1409}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 41217120

約数和(自身を除く): 20662628

約数列:

[1, 2, 4, 7, 14, 28, 521, 1042, 1409, 2084, 2818, 3647, 5636, 7294, 9863, 14588, 19726, 39452, 734089, 1468178, 2936356, 5138623, 10277246, 20554492]

約数ペア:

[(1, 20554492), (2, 10277246), (4, 5138623), (7, 2936356), (14, 1468178), (28, 734089), (521, 39452), (1042, 19726), (1409, 14588), (2084, 9863), (2818, 7294), (3647, 5636)]