20169850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17539}}^1$

素因数の和:17574

約数の個数: 24

約数和(自身を含む): 39149280

約数和(自身を除く): 18979430

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17539, 35078, 87695, 175390, 403397, 438475, 806794, 876950, 2016985, 4033970, 10084925, 20169850]

約数ペア:

[(1, 20169850), (2, 10084925), (5, 4033970), (10, 2016985), (23, 876950), (25, 806794), (46, 438475), (50, 403397), (115, 175390), (230, 87695), (575, 35078), (1150, 17539)]