20152181

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{4621}}^1$

素因数の和:4724

約数の個数: 12

約数和(自身を含む): 23710860

約数和(自身を除く): 3558679

約数列:

[1, 7, 49, 89, 623, 4361, 4621, 32347, 226429, 411269, 2878883, 20152181]

約数ペア:

[(1, 20152181), (7, 2878883), (49, 411269), (89, 226429), (623, 32347), (4361, 4621)]