20545704

素因数分解:

$2^3\times 3^3\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 64

約数和(自身を含む): 57897600

約数和(自身を除く): 37351896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 108, 146, 216, 219, 292, 438, 584, 657, 876, 1303, 1314, 1752, 1971, 2606, 2628, 3909, 3942, 5212, 5256, 7818, 7884, 10424, 11727, 15636, 15768, 23454, 31272, 35181, 46908, 70362, 93816, 95119, 140724, 190238, 281448, 285357, 380476, 570714, 760952, 856071, 1141428, 1712142, 2282856, 2568213, 3424284, 5136426, 6848568, 10272852, 20545704]

約数ペア:

[(1, 20545704), (2, 10272852), (3, 6848568), (4, 5136426), (6, 3424284), (8, 2568213), (9, 2282856), (12, 1712142), (18, 1141428), (24, 856071), (27, 760952), (36, 570714), (54, 380476), (72, 285357), (73, 281448), (108, 190238), (146, 140724), (216, 95119), (219, 93816), (292, 70362), (438, 46908), (584, 35181), (657, 31272), (876, 23454), (1303, 15768), (1314, 15636), (1752, 11727), (1971, 10424), (2606, 7884), (2628, 7818), (3909, 5256), (3942, 5212)]