20806615536

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{72089}}^1$

素因数の和:72966

約数の個数: 80

約数和(自身を含む): 61501420800

約数和(自身を除く): 40694805264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 859, 1718, 2577, 3436, 5154, 6013, 6872, 10308, 12026, 13744, 18039, 20616, 24052, 36078, 41232, 48104, 72089, 72156, 96208, 144178, 144312, 216267, 288356, 288624, 432534, 504623, 576712, 865068, 1009246, 1153424, 1513869, 1730136, 2018492, 3027738, 3460272, 4036984, 6055476, 8073968, 12110952, 24221904, 61924451, 123848902, 185773353, 247697804, 371546706, 433471157, 495395608, 743093412, 866942314, 990791216, 1300413471, 1486186824, 1733884628, 2600826942, 2972373648, 3467769256, 5201653884, 6935538512, 10403307768, 20806615536]

約数ペア:

[(1, 20806615536), (2, 10403307768), (3, 6935538512), (4, 5201653884), (6, 3467769256), (7, 2972373648), (8, 2600826942), (12, 1733884628), (14, 1486186824), (16, 1300413471), (21, 990791216), (24, 866942314), (28, 743093412), (42, 495395608), (48, 433471157), (56, 371546706), (84, 247697804), (112, 185773353), (168, 123848902), (336, 61924451), (859, 24221904), (1718, 12110952), (2577, 8073968), (3436, 6055476), (5154, 4036984), (6013, 3460272), (6872, 3027738), (10308, 2018492), (12026, 1730136), (13744, 1513869), (18039, 1153424), (20616, 1009246), (24052, 865068), (36078, 576712), (41232, 504623), (48104, 432534), (72089, 288624), (72156, 288356), (96208, 216267), (144178, 144312)]