20115987957

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{195599}}^1$

素因数の和:195914

約数の個数: 32

約数和(自身を含む): 32203584000

約数和(自身を除く): 12087596043

約数列:

[1, 3, 9, 13, 27, 39, 117, 293, 351, 879, 2637, 3809, 7911, 11427, 34281, 102843, 195599, 586797, 1760391, 2542787, 5281173, 7628361, 22885083, 57310507, 68655249, 171931521, 515794563, 745036591, 1547383689, 2235109773, 6705329319, 20115987957]

約数ペア:

[(1, 20115987957), (3, 6705329319), (9, 2235109773), (13, 1547383689), (27, 745036591), (39, 515794563), (117, 171931521), (293, 68655249), (351, 57310507), (879, 22885083), (2637, 7628361), (3809, 5281173), (7911, 2542787), (11427, 1760391), (34281, 586797), (102843, 195599)]