20115946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7901}}^1$

素因数の和:7989

約数の個数: 16

約数和(自身を含む): 32240160

約数和(自身を除く): 12124214

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7901, 15802, 150119, 300238, 529367, 1058734, 10057973, 20115946]

約数ペア:

[(1, 20115946), (2, 10057973), (19, 1058734), (38, 529367), (67, 300238), (134, 150119), (1273, 15802), (2546, 7901)]