20580854

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27737}}^1$

素因数の和:27799

約数の個数: 16

約数和(自身を含む): 35948448

約数和(自身を除く): 15367594

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27737, 55474, 194159, 388318, 1470061, 2940122, 10290427, 20580854]

約数ペア:

[(1, 20580854), (2, 10290427), (7, 2940122), (14, 1470061), (53, 388318), (106, 194159), (371, 55474), (742, 27737)]