20120840181

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{3527}}^1\times {\mathrm{16253}}^1$

素因数の和:19802

約数の個数: 32

約数和(自身を含む): 32112702720

約数和(自身を除く): 11991862539

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 3527, 10581, 16253, 31743, 45851, 48759, 95229, 137553, 146277, 211289, 412659, 438831, 633867, 1237977, 1901601, 5704803, 57324331, 171972993, 515918979, 745216303, 1547756937, 2235648909, 6706946727, 20120840181]

約数ペア:

[(1, 20120840181), (3, 6706946727), (9, 2235648909), (13, 1547756937), (27, 745216303), (39, 515918979), (117, 171972993), (351, 57324331), (3527, 5704803), (10581, 1901601), (16253, 1237977), (31743, 633867), (45851, 438831), (48759, 412659), (95229, 211289), (137553, 146277)]