20115376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66169}}^1$

素因数の和:66196

約数の個数: 20

約数和(自身を含む): 41025400

約数和(自身を除く): 20910024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66169, 132338, 264676, 529352, 1058704, 1257211, 2514422, 5028844, 10057688, 20115376]

約数ペア:

[(1, 20115376), (2, 10057688), (4, 5028844), (8, 2514422), (16, 1257211), (19, 1058704), (38, 529352), (76, 264676), (152, 132338), (304, 66169)]