20161225242

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1155901}}^1$

素因数の和:1155948

約数の個数: 64

約数和(自身を含む): 49934966400

約数和(自身を除く): 29773741158

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 102, 114, 153, 171, 306, 323, 342, 459, 513, 646, 918, 969, 1026, 1938, 2907, 5814, 8721, 17442, 1155901, 2311802, 3467703, 6935406, 10403109, 19650317, 20806218, 21962119, 31209327, 39300634, 43924238, 58950951, 62418654, 65886357, 117901902, 131772714, 176852853, 197659071, 353705706, 373356023, 395318142, 530558559, 592977213, 746712046, 1061117118, 1120068069, 1185954426, 2240136138, 3360204207, 6720408414, 10080612621, 20161225242]

約数ペア:

[(1, 20161225242), (2, 10080612621), (3, 6720408414), (6, 3360204207), (9, 2240136138), (17, 1185954426), (18, 1120068069), (19, 1061117118), (27, 746712046), (34, 592977213), (38, 530558559), (51, 395318142), (54, 373356023), (57, 353705706), (102, 197659071), (114, 176852853), (153, 131772714), (171, 117901902), (306, 65886357), (323, 62418654), (342, 58950951), (459, 43924238), (513, 39300634), (646, 31209327), (918, 21962119), (969, 20806218), (1026, 19650317), (1938, 10403109), (2907, 6935406), (5814, 3467703), (8721, 2311802), (17442, 1155901)]