20956394

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3637}}^1$

素因数の和:3749

約数の個数: 16

約数和(自身を含む): 32654688

約数和(自身を除く): 11698294

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3637, 5762, 7274, 156391, 243679, 312782, 487358, 10478197, 20956394]

約数ペア:

[(1, 20956394), (2, 10478197), (43, 487358), (67, 312782), (86, 243679), (134, 156391), (2881, 7274), (3637, 5762)]