20278796

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{46511}}^1$

素因数の和:46624

約数の個数: 12

約数和(自身を含む): 35814240

約数和(自身を除く): 15535444

約数列:

[1, 2, 4, 109, 218, 436, 46511, 93022, 186044, 5069699, 10139398, 20278796]

約数ペア:

[(1, 20278796), (2, 10139398), (4, 5069699), (109, 186044), (218, 93022), (436, 46511)]