20126931669

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{64453}}^1$

素因数の和:64646

約数の個数: 48

約数和(自身を含む): 33361906032

約数和(自身を除く): 13234974363

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 157, 221, 471, 663, 1413, 1989, 2041, 2669, 6123, 8007, 18369, 24021, 34697, 64453, 104091, 193359, 312273, 580077, 837889, 1095701, 2513667, 3287103, 7541001, 9861309, 10119121, 14244113, 30357363, 42732339, 91072089, 128197017, 131548573, 172025057, 394645719, 516075171, 1183937157, 1548225513, 2236325741, 6708977223, 20126931669]

約数ペア:

[(1, 20126931669), (3, 6708977223), (9, 2236325741), (13, 1548225513), (17, 1183937157), (39, 516075171), (51, 394645719), (117, 172025057), (153, 131548573), (157, 128197017), (221, 91072089), (471, 42732339), (663, 30357363), (1413, 14244113), (1989, 10119121), (2041, 9861309), (2669, 7541001), (6123, 3287103), (8007, 2513667), (18369, 1095701), (24021, 837889), (34697, 580077), (64453, 312273), (104091, 193359)]