20806345557

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{45823}}^1$

素因数の和:46150

約数の個数: 32

約数和(自身を含む): 31409602560

約数和(自身を除く): 10603257003

約数列:

[1, 3, 9, 27, 67, 201, 251, 603, 753, 1809, 2259, 6777, 16817, 45823, 50451, 137469, 151353, 412407, 454059, 1237221, 3070141, 9210423, 11501573, 27631269, 34504719, 82893807, 103514157, 310542471, 770605391, 2311816173, 6935448519, 20806345557]

約数ペア:

[(1, 20806345557), (3, 6935448519), (9, 2311816173), (27, 770605391), (67, 310542471), (201, 103514157), (251, 82893807), (603, 34504719), (753, 27631269), (1809, 11501573), (2259, 9210423), (6777, 3070141), (16817, 1237221), (45823, 454059), (50451, 412407), (137469, 151353)]