20959060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24371}}^1$

素因数の和:24423

約数の個数: 24

約数和(自身を含む): 45039456

約数和(自身を除く): 24080396

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24371, 48742, 97484, 121855, 243710, 487420, 1047953, 2095906, 4191812, 5239765, 10479530, 20959060]

約数ペア:

[(1, 20959060), (2, 10479530), (4, 5239765), (5, 4191812), (10, 2095906), (20, 1047953), (43, 487420), (86, 243710), (172, 121855), (215, 97484), (430, 48742), (860, 24371)]