2020707

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 3455760

約数和(自身を除く): 1435053

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 101, 117, 171, 247, 303, 351, 513, 741, 909, 1053, 1313, 1539, 1919, 2223, 2727, 3939, 5757, 6669, 8181, 11817, 17271, 20007, 24947, 35451, 51813, 74841, 106353, 155439, 224523, 673569, 2020707]

約数ペア:

[(1, 2020707), (3, 673569), (9, 224523), (13, 155439), (19, 106353), (27, 74841), (39, 51813), (57, 35451), (81, 24947), (101, 20007), (117, 17271), (171, 11817), (247, 8181), (303, 6669), (351, 5757), (513, 3939), (741, 2727), (909, 2223), (1053, 1919), (1313, 1539)]