20634969

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8419}}^1$

素因数の和:8484

約数の個数: 16

約数和(自身を含む): 29638400

約数和(自身を除く): 9003431

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8419, 25257, 159961, 362017, 479883, 1086051, 6878323, 20634969]

約数ペア:

[(1, 20634969), (3, 6878323), (19, 1086051), (43, 479883), (57, 362017), (129, 159961), (817, 25257), (2451, 8419)]