20366780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145477}}^1$

素因数の和:145493

約数の個数: 24

約数和(自身を含む): 48880608

約数和(自身を除く): 28513828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145477, 290954, 581908, 727385, 1018339, 1454770, 2036678, 2909540, 4073356, 5091695, 10183390, 20366780]

約数ペア:

[(1, 20366780), (2, 10183390), (4, 5091695), (5, 4073356), (7, 2909540), (10, 2036678), (14, 1454770), (20, 1018339), (28, 727385), (35, 581908), (70, 290954), (140, 145477)]