20774180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148387}}^1$

素因数の和:148403

約数の個数: 24

約数和(自身を含む): 49858368

約数和(自身を除く): 29084188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148387, 296774, 593548, 741935, 1038709, 1483870, 2077418, 2967740, 4154836, 5193545, 10387090, 20774180]

約数ペア:

[(1, 20774180), (2, 10387090), (4, 5193545), (5, 4154836), (7, 2967740), (10, 2077418), (14, 1483870), (20, 1038709), (28, 741935), (35, 593548), (70, 296774), (140, 148387)]