19960988

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{48449}}^1$

素因数の和:48556

約数の個数: 12

約数和(自身を含む): 35271600

約数和(自身を除く): 15310612

約数列:

[1, 2, 4, 103, 206, 412, 48449, 96898, 193796, 4990247, 9980494, 19960988]

約数ペア:

[(1, 19960988), (2, 9980494), (4, 4990247), (103, 193796), (206, 96898), (412, 48449)]