20387276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56009}}^1$

素因数の和:56033

約数の個数: 24

約数和(自身を含む): 43911840

約数和(自身を除く): 23524564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56009, 112018, 224036, 392063, 728117, 784126, 1456234, 1568252, 2912468, 5096819, 10193638, 20387276]

約数ペア:

[(1, 20387276), (2, 10193638), (4, 5096819), (7, 2912468), (13, 1568252), (14, 1456234), (26, 784126), (28, 728117), (52, 392063), (91, 224036), (182, 112018), (364, 56009)]