20724871107

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{2557}}^1\times {\mathrm{23909}}^1$

素因数の和:26582

約数の個数: 16

約数和(自身を含む): 27889771680

約数和(自身を除く): 7164900573

約数列:

[1, 3, 113, 339, 2557, 7671, 23909, 71727, 288941, 866823, 2701717, 8105151, 61135313, 183405939, 6908290369, 20724871107]

約数ペア:

[(1, 20724871107), (3, 6908290369), (113, 183405939), (339, 61135313), (2557, 8105151), (7671, 2701717), (23909, 866823), (71727, 288941)]