20387892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242713}}^1$

素因数の和:242727

約数の個数: 24

約数和(自身を含む): 54367936

約数和(自身を除く): 33980044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242713, 485426, 728139, 970852, 1456278, 1698991, 2912556, 3397982, 5096973, 6795964, 10193946, 20387892]

約数ペア:

[(1, 20387892), (2, 10193946), (3, 6795964), (4, 5096973), (6, 3397982), (7, 2912556), (12, 1698991), (14, 1456278), (21, 970852), (28, 728139), (42, 485426), (84, 242713)]