20606517

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 30588480

約数和(自身を除く): 9981963

約数列:

[1, 3, 9, 59, 151, 177, 257, 453, 531, 771, 1359, 2313, 8909, 15163, 26727, 38807, 45489, 80181, 116421, 136467, 349263, 2289613, 6868839, 20606517]

約数ペア:

[(1, 20606517), (3, 6868839), (9, 2289613), (59, 349263), (151, 136467), (177, 116421), (257, 80181), (453, 45489), (531, 38807), (771, 26727), (1359, 15163), (2313, 8909)]