20805957639

素因数分解:

$3^2\times {\mathrm{1153}}^1\times {\mathrm{1409}}^1\times {\mathrm{1423}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 30121615680

約数和(自身を除く): 9315658041

約数列:

[1, 3, 9, 1153, 1409, 1423, 3459, 4227, 4269, 10377, 12681, 12807, 1624577, 1640719, 2005007, 4873731, 4922157, 6015021, 14621193, 14766471, 18045063, 2311773071, 6935319213, 20805957639]

約数ペア:

[(1, 20805957639), (3, 6935319213), (9, 2311773071), (1153, 18045063), (1409, 14766471), (1423, 14621193), (3459, 6015021), (4227, 4922157), (4269, 4873731), (10377, 2005007), (12681, 1640719), (12807, 1624577)]