20539970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186727}}^1$

素因数の和:186745

約数の個数: 16

約数和(自身を含む): 40333248

約数和(自身を除く): 19793278

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186727, 373454, 933635, 1867270, 2053997, 4107994, 10269985, 20539970]

約数ペア:

[(1, 20539970), (2, 10269985), (5, 4107994), (10, 2053997), (11, 1867270), (22, 933635), (55, 373454), (110, 186727)]