20831144

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7213}}^1$

素因数の和:7257

約数の個数: 24

約数和(自身を含む): 41228010

約数和(自身を除く): 20396866

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7213, 14426, 28852, 57704, 137047, 274094, 548188, 1096376, 2603893, 5207786, 10415572, 20831144]

約数ペア:

[(1, 20831144), (2, 10415572), (4, 5207786), (8, 2603893), (19, 1096376), (38, 548188), (76, 274094), (152, 137047), (361, 57704), (722, 28852), (1444, 14426), (2888, 7213)]