20992059

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12473}}^1$

素因数の和:12507

約数の個数: 24

約数和(自身を含む): 35026992

約数和(自身を除く): 14034933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12473, 37419, 112257, 137203, 212041, 411609, 636123, 1234827, 1908369, 2332451, 6997353, 20992059]

約数ペア:

[(1, 20992059), (3, 6997353), (9, 2332451), (11, 1908369), (17, 1234827), (33, 636123), (51, 411609), (99, 212041), (153, 137203), (187, 112257), (561, 37419), (1683, 12473)]