2120816

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1597}}^1$

素因数の和:1688

約数の個数: 20

約数和(自身を含む): 4161192

約数和(自身を除く): 2040376

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1597, 3194, 6388, 12776, 25552, 132551, 265102, 530204, 1060408, 2120816]

約数ペア:

[(1, 2120816), (2, 1060408), (4, 530204), (8, 265102), (16, 132551), (83, 25552), (166, 12776), (332, 6388), (664, 3194), (1328, 1597)]