20395970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{291371}}^1$

素因数の和:291385

約数の個数: 16

約数和(自身を含む): 41957568

約数和(自身を除く): 21561598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 291371, 582742, 1456855, 2039597, 2913710, 4079194, 10197985, 20395970]

約数ペア:

[(1, 20395970), (2, 10197985), (5, 4079194), (7, 2913710), (10, 2039597), (14, 1456855), (35, 582742), (70, 291371)]