20945008

素因数分解:

$2^4\times 7^1\times {\mathrm{187009}}^1$

素因数の和:187024

約数の個数: 20

約数和(自身を含む): 46378480

約数和(自身を除く): 25433472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187009, 374018, 748036, 1309063, 1496072, 2618126, 2992144, 5236252, 10472504, 20945008]

約数ペア:

[(1, 20945008), (2, 10472504), (4, 5236252), (7, 2992144), (8, 2618126), (14, 1496072), (16, 1309063), (28, 748036), (56, 374018), (112, 187009)]