20287658

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4451}}^1$

素因数の和:4549

約数の個数: 16

約数和(自身を含む): 31733856

約数和(自身を除く): 11446198

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4451, 4558, 8902, 191393, 235903, 382786, 471806, 10143829, 20287658]

約数ペア:

[(1, 20287658), (2, 10143829), (43, 471806), (53, 382786), (86, 235903), (106, 191393), (2279, 8902), (4451, 4558)]