20443778

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2753}}^1$

素因数の和:2881

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 11282302

約数列:

[1, 2, 47, 79, 94, 158, 2753, 3713, 5506, 7426, 129391, 217487, 258782, 434974, 10221889, 20443778]

約数ペア:

[(1, 20443778), (2, 10221889), (47, 434974), (79, 258782), (94, 217487), (158, 129391), (2753, 7426), (3713, 5506)]