20574188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1283}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 38109120

約数和(自身を除く): 17534932

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 1283, 2566, 4009, 5132, 8018, 16036, 24377, 48754, 97508, 270713, 541426, 1082852, 5143547, 10287094, 20574188]

約数ペア:

[(1, 20574188), (2, 10287094), (4, 5143547), (19, 1082852), (38, 541426), (76, 270713), (211, 97508), (422, 48754), (844, 24377), (1283, 16036), (2566, 8018), (4009, 5132)]