20863780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149027}}^1$

素因数の和:149043

約数の個数: 24

約数和(自身を含む): 50073408

約数和(自身を除く): 29209628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149027, 298054, 596108, 745135, 1043189, 1490270, 2086378, 2980540, 4172756, 5215945, 10431890, 20863780]

約数ペア:

[(1, 20863780), (2, 10431890), (4, 5215945), (5, 4172756), (7, 2980540), (10, 2086378), (14, 1490270), (20, 1043189), (28, 745135), (35, 596108), (70, 298054), (140, 149027)]