20495882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1913}}^1$

素因数の和:2413

約数の個数: 16

約数和(自身を含む): 33625152

約数和(自身を除く): 13129270

約数列:

[1, 2, 11, 22, 487, 974, 1913, 3826, 5357, 10714, 21043, 42086, 931631, 1863262, 10247941, 20495882]

約数ペア:

[(1, 20495882), (2, 10247941), (11, 1863262), (22, 931631), (487, 42086), (974, 21043), (1913, 10714), (3826, 5357)]