20563662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 50296320

約数和(自身を除く): 29732658

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 114, 133, 146, 219, 266, 353, 399, 438, 511, 706, 798, 1022, 1059, 1387, 1533, 2118, 2471, 2774, 3066, 4161, 4942, 6707, 7413, 8322, 9709, 13414, 14826, 19418, 20121, 25769, 29127, 40242, 46949, 51538, 58254, 77307, 93898, 140847, 154614, 180383, 281694, 360766, 489611, 541149, 979222, 1082298, 1468833, 2937666, 3427277, 6854554, 10281831, 20563662]

約数ペア:

[(1, 20563662), (2, 10281831), (3, 6854554), (6, 3427277), (7, 2937666), (14, 1468833), (19, 1082298), (21, 979222), (38, 541149), (42, 489611), (57, 360766), (73, 281694), (114, 180383), (133, 154614), (146, 140847), (219, 93898), (266, 77307), (353, 58254), (399, 51538), (438, 46949), (511, 40242), (706, 29127), (798, 25769), (1022, 20121), (1059, 19418), (1387, 14826), (1533, 13414), (2118, 9709), (2471, 8322), (2774, 7413), (3066, 6707), (4161, 4942)]