20111348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 37195200

約数和(自身を除く): 17083852

約数列:

[1, 2, 4, 19, 38, 76, 409, 647, 818, 1294, 1636, 2588, 7771, 12293, 15542, 24586, 31084, 49172, 264623, 529246, 1058492, 5027837, 10055674, 20111348]

約数ペア:

[(1, 20111348), (2, 10055674), (4, 5027837), (19, 1058492), (38, 529246), (76, 264623), (409, 49172), (647, 31084), (818, 24586), (1294, 15542), (1636, 12293), (2588, 7771)]