20424561

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 27864000

約数和(自身を除く): 7439439

約数列:

[1, 3, 59, 177, 257, 449, 771, 1347, 15163, 26491, 45489, 79473, 115393, 346179, 6808187, 20424561]

約数ペア:

[(1, 20424561), (3, 6808187), (59, 346179), (177, 115393), (257, 79473), (449, 45489), (771, 26491), (1347, 15163)]