20750020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7573}}^1$

素因数の和:7719

約数の個数: 24

約数和(自身を含む): 43898904

約数和(自身を除く): 23148884

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7573, 15146, 30292, 37865, 75730, 151460, 1037501, 2075002, 4150004, 5187505, 10375010, 20750020]

約数ペア:

[(1, 20750020), (2, 10375010), (4, 5187505), (5, 4150004), (10, 2075002), (20, 1037501), (137, 151460), (274, 75730), (548, 37865), (685, 30292), (1370, 15146), (2740, 7573)]