20284889079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3910717}}^1$

素因数の和:3910759

約数の個数: 32

約数和(自身を含む): 35040033280

約数和(自身を除く): 14755144201

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 3910717, 11732151, 27375019, 50839321, 74303623, 82125057, 152517963, 222910869, 355875247, 520125361, 965947099, 1067625741, 1560376083, 2897841297, 6761629693, 20284889079]

約数ペア:

[(1, 20284889079), (3, 6761629693), (7, 2897841297), (13, 1560376083), (19, 1067625741), (21, 965947099), (39, 520125361), (57, 355875247), (91, 222910869), (133, 152517963), (247, 82125057), (273, 74303623), (399, 50839321), (741, 27375019), (1729, 11732151), (5187, 3910717)]