20802240927

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{804511}}^1$

素因数の和:804560

約数の個数: 36

約数和(自身を含む): 34450812864

約数和(自身を除く): 13648571937

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 1521, 1989, 2873, 8619, 25857, 804511, 2413533, 7240599, 10458643, 13676687, 31375929, 41030061, 94127787, 123090183, 135962359, 177796931, 407887077, 533390793, 1223661231, 1600172379, 2311360103, 6934080309, 20802240927]

約数ペア:

[(1, 20802240927), (3, 6934080309), (9, 2311360103), (13, 1600172379), (17, 1223661231), (39, 533390793), (51, 407887077), (117, 177796931), (153, 135962359), (169, 123090183), (221, 94127787), (507, 41030061), (663, 31375929), (1521, 13676687), (1989, 10458643), (2873, 7240599), (8619, 2413533), (25857, 804511)]