20180899869

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1\times {\mathrm{727}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 31040755200

約数和(自身を除く): 10859855331

約数列:

[1, 3, 13, 17, 39, 51, 149, 221, 281, 447, 663, 727, 843, 1937, 2181, 2533, 3653, 4777, 5811, 7599, 9451, 10959, 12359, 14331, 28353, 32929, 37077, 41869, 62101, 98787, 108323, 125607, 160667, 186303, 204287, 324969, 482001, 544297, 612861, 711773, 1408199, 1632891, 1841491, 2135319, 2655731, 3472879, 4224597, 5524473, 7967193, 9253049, 10418637, 23939383, 27759147, 30438763, 45147427, 71818149, 91316289, 135442281, 395703919, 517458971, 1187111757, 1552376913, 6726966623, 20180899869]

約数ペア:

[(1, 20180899869), (3, 6726966623), (13, 1552376913), (17, 1187111757), (39, 517458971), (51, 395703919), (149, 135442281), (221, 91316289), (281, 71818149), (447, 45147427), (663, 30438763), (727, 27759147), (843, 23939383), (1937, 10418637), (2181, 9253049), (2533, 7967193), (3653, 5524473), (4777, 4224597), (5811, 3472879), (7599, 2655731), (9451, 2135319), (10959, 1841491), (12359, 1632891), (14331, 1408199), (28353, 711773), (32929, 612861), (37077, 544297), (41869, 482001), (62101, 324969), (98787, 204287), (108323, 186303), (125607, 160667)]