20281402

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4493}}^1$

素因数の和:4593

約数の個数: 16

約数和(自身を含む): 31763592

約数和(自身を除く): 11482190

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4493, 4514, 8986, 166241, 274073, 332482, 548146, 10140701, 20281402]

約数ペア:

[(1, 20281402), (2, 10140701), (37, 548146), (61, 332482), (74, 274073), (122, 166241), (2257, 8986), (4493, 4514)]