20257042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18119}}^1$

素因数の和:18177

約数の個数: 16

約数和(自身を含む): 33485760

約数和(自身を除く): 13228718

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18119, 36238, 235547, 471094, 779117, 1558234, 10128521, 20257042]

約数ペア:

[(1, 20257042), (2, 10128521), (13, 1558234), (26, 779117), (43, 471094), (86, 235547), (559, 36238), (1118, 18119)]