20338456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{68711}}^1$

素因数の和:68754

約数の個数: 16

約数和(自身を含む): 39165840

約数和(自身を除く): 18827384

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 68711, 137422, 274844, 549688, 2542307, 5084614, 10169228, 20338456]

約数ペア:

[(1, 20338456), (2, 10169228), (4, 5084614), (8, 2542307), (37, 549688), (74, 274844), (148, 137422), (296, 68711)]