20237451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11373429

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 881, 1209, 1767, 2643, 7657, 11453, 16739, 22971, 27311, 34359, 50217, 81933, 217607, 355043, 518909, 652821, 1065129, 1556727, 6745817, 20237451]

約数ペア:

[(1, 20237451), (3, 6745817), (13, 1556727), (19, 1065129), (31, 652821), (39, 518909), (57, 355043), (93, 217607), (247, 81933), (403, 50217), (589, 34359), (741, 27311), (881, 22971), (1209, 16739), (1767, 11453), (2643, 7657)]