20395150

素因数分解:

$2^1\times 5^2\times {\mathrm{463}}^1\times {\mathrm{881}}^1$

素因数の和:1356

約数の個数: 24

約数和(自身を含む): 38060064

約数和(自身を除く): 17664914

約数列:

[1, 2, 5, 10, 25, 50, 463, 881, 926, 1762, 2315, 4405, 4630, 8810, 11575, 22025, 23150, 44050, 407903, 815806, 2039515, 4079030, 10197575, 20395150]

約数ペア:

[(1, 20395150), (2, 10197575), (5, 4079030), (10, 2039515), (25, 815806), (50, 407903), (463, 44050), (881, 23150), (926, 22025), (1762, 11575), (2315, 8810), (4405, 4630)]